All health calculators Browse every wellness tool on AgentCalc, then pin the ones you want to revisit during your routine. Focused topic hubs Use these crawlable subcategory pages to jump into the most coherent clusters within this category. Explore 109 Health calculators Browse all 109 health calculators in plain HTML for easier crawling and direct navigation. A1C to Average Glucose Converter | HbA1c eAG Calculator Convert HbA1c to estimated average glucose, or average glucose back to A1C, using the ADAG relationship. Learn how to read the result and when it can mislead. A1C to Average Glucose Converter | HbA1c eAG Calculator health calculator 1 mmol ADAG CGM Absolute Neutrophil Count Calculator | ANC Formula, Ranges, and Infection Risk Guide Calculate absolute neutrophil count (ANC) from a CBC differential, review the ANC formula, understand normal and low ranges, and learn how to interpret infection-risk categories. ANC calculator absolute neutrophil count neutropenia CBC differential infection risk ACFT Score Calculator: Six-Event Army Fitness Estimate Estimate an Army Combat Fitness Test (ACFT) score from deadlift, power throw, push-ups, sprint-drag-carry, plank, and two-mile run results, including event points and a 60-point-per-event pass check. ACFT calculator Army combat fitness test score military fitness 0–59 seconds 1110 seconds Adult Blood Volume Calculator Using the Nadler Formula Calculate an adult's estimated circulating blood volume in liters and milliliters with the sex-specific Nadler formula using height in cm and weight in kg. blood volume calculator nadler formula total blood volume circulating blood adult Adult eGFR Calculator Using the 2021 CKD-EPI Creatinine Equation Estimate adult kidney filtration (eGFR) with the 2021 CKD-EPI race-free creatinine equation using age, serum creatinine, and sex; educational use only. eGFR calculator kidney function estimator CKD-EPI 1.73 m² for at least three months CKD Antidepressant Taper Schedule Calculator – Linear and Proportional Planner Compare linear and proportional antidepressant taper schedules using a current dose, goal dose, duration, and adjustment interval. Educational planning aid for discussion with a prescriber. antidepressant taper schedule calculator medication taper planner proportional taper hyperbolic taper dose reduction schedule Apnea Training Hold-Time Safety Margin Calculator Estimate conservative breath-hold training limits from your personal best, experience level, apnea type, and supervision setting, with essential apnea safety reminders. apnea training breath holding static apnea hypoxia hypercapnia Asbestos Fiber Exposure Calculator: OSHA 8-Hour TWA & Fiber-Years Calculate an estimated asbestos 8-hour time-weighted average, worst 30-minute excursion average, and cumulative fiber-years from task concentrations and durations. asbestos exposure calculator asbestos 8-hour TWA OSHA PEL 0.1 f/cc asbestos excursion limit fiber-years ASCVD 10-Year Risk Estimate Calculator for Cholesterol, Blood Pressure, Smoking, and Diabetes Estimate a simplified educational 10-year ASCVD risk from age, cholesterol, HDL, systolic blood pressure, smoking, and diabetes. This is not an official clinical score. ASCVD risk calculator 10-year heart disease risk cardiovascular risk estimator ASCVD HDL ASRS ADHD Score Calculator | Adult ADHD Self-Report Scale Use the ASRS ADHD score calculator to total the six screening items, count frequent responses, and read the result as a conversation starter with a clinician. ASRS ADHD self assessment adult ADHD questionnaire ADHD clinician AUDIT Alcohol Use Disorder Score Calculator Calculate your AUDIT alcohol use disorder score from the 10 WHO questions, screen your drinking risk level, and learn what the result means. Not a diagnosis. AUDIT score calculator alcohol use disorder test drinking risk assessment AUDIT CAGE Bacon Calories, Exercise Miles, and Weekly Cost Calculator Estimate weekly bacon calories, the running miles needed to burn them, optional bacon spending, and the calculator's intake-level label. bacon calculator bacon calories bacon health effects bacon consumption calculator exercise offset bacon Badminton Court Setup Cost Calculator | Build-Out, Equipment, and Operating Budget Estimate badminton court build-out costs, equipment purchases, staffing, and ongoing operating expenses for a club or tournament venue. Compare court surfaces, seating, and payback timing. badminton court cost facility setup tournament planning badminton equipment court construction Basic Reproduction Number (R0) Calculator for Epidemic Transmission Calculate an epidemic basic reproduction number (R0) from daily potentially infectious contacts, transmission probability per contact, and infectious period. R0 calculator epidemiology reproduction number disease spread basic calculate Benzene Exposure Risk Calculator - Estimate Daily Inhalation Dose Estimate benzene inhalation dose and hazard quotient from air concentration, breathing rate, exposure time, and body weight. benzene exposure calculator inhalation dose hazard quotient air air concentration Blood Donation Eligibility Calculator (FDA and Red Cross Rules) Check blood donation eligibility against FDA 21 CFR 630 and American Red Cross criteria: age, weight, hemoglobin, blood volume and 56, 112, 7 or 28-day intervals. blood donation eligibility calculator donate blood requirements hemoglobin check 5 ft 1 in 5 ft 3 in Blood Sugar Converter (Glucose): mg/dL ↔ mmol/L Convert glucose between mg/dL and mmol/L with accurate rounding. Includes formulas, worked examples, and a quick common conversions table. blood sugar converter glucose units mg/dL to mmol/L mmol to mg/dL diabetes tool Blood Type Compatibility Calculator - ABO, Rh and Components Check ABO and RhD transfusion compatibility for red cells, plasma and platelets, see which antibody would react, and learn why the plasma rule inverts the red-cell rule. blood type compatibility calculator transfusion match ABO Rh universal donor plasma compatibility Body Frame Size Calculator | Compare Height and Wrist Circumference Compare height and wrist circumference to estimate a small, medium, or large body frame with male or female threshold sets, measurement tips, ratio guidance, and an optional mini-game. body frame size calculator wrist circumference small medium large frame height wrist ratio BMI Body Surface Area Calculator: Mosteller and Du Bois BSA Estimates Calculate body surface area (BSA) from height and weight with the Mosteller or Du Bois equation, in metric or imperial units, and estimate an optional mg/m² dose. body surface area calculator BSA calculator Mosteller formula Du Bois formula mg/m2 dosing Body Type Calculator – Estimate Your Somatotype Tendencies Estimate your somatotype tendency from height, wrist circumference, shoulder shape, perceived weight-gain pattern, and natural build. body type calculator somatotype ectomorph mesomorph endomorph Boxing Calories Burned Calculator: MET Estimate for Training Sessions Estimate calories burned during boxing sessions—from bag work and pad drills to sparring and competition-style rounds—using METs, body weight, and duration. boxing calorie calculator boxing energy expenditure sparring calories 12 MET 5.5 MET Caffeine Tapering Schedule Calculator | Day-by-Day Reduction Plan Plan a gradual caffeine cut by entering your current intake, target intake, and taper length to generate a day-by-day schedule in milligrams. caffeine taper calculator coffee withdrawal plan reduce caffeine gradually C 0 - d × i caffeine Cardiac Output Calculator - Estimate Heart Pumping Capacity Determine cardiac output in liters per minute from heart rate and stroke volume, review worked examples, and explore related heart health calculators. cardiac output calculator heart stroke volume cardiology MAP MRI CGM vs. Fingerstick Cost Comparison Calculator Compare continuous glucose monitor costs with fingerstick testing costs over any horizon, including sensors, transmitters, receivers, strips, lancets, and meter replacement. continuous glucose monitor calculator CGM vs fingerstick cost $ per lancet $ per sensor $ per strip Child Calorie Needs Calculator Using Pediatric EER Equations Estimate daily calorie needs for children ages 2 to 18 with pediatric Estimated Energy Requirement equations using age, sex, body size and activity level. child calorie needs kids calorie calculator pediatric EER daily calories for children estimated energy requirement Circadian Light Exposure Planner | Melanopic Dose & Phase Balance Compare morning and evening melanopic light doses in lux·min and estimate the direction and size of a simplified circadian phase shift. circadian light calculator melanopic lux phase shift estimator FAQ a short outdoor walk Contrast Agent Dosage Calculator for CT and Angiography | Estimate Iodinated Contrast Volume Calculate iodinated contrast volume in milliliters from patient weight, iodine target in mg I/kg, and product concentration in mg I/mL for CT and angiography planning. contrast agent dosage calculator CT contrast volume calculator radiology dosage planner iodinated contrast dose ACR Corrected Calcium Calculator (Albumin Adjustment) | Payne Formula Calculate corrected calcium (mg/dL) from measured serum calcium and albumin with the Payne formula, plus worked examples, interpretation ranges, and limitations. corrected calcium calculator albumin adjustment serum calcium payne formula hypocalcemia Creatinine Clearance Calculator | Cockcroft-Gault CrCl Estimate Estimate creatinine clearance with the Cockcroft-Gault equation to support renal drug-dosing decisions. creatinine clearance kidney function Cockcroft-Gault CKD CrCl CVSS Vulnerability Score Calculator - Evaluate Security Risks Calculate the CVSS v3 base score for security vulnerabilities by selecting metrics like attack vector, complexity, and impact. cvss calculator vulnerability score security risk assessment 0.56 each CVE Cycling Calorie Burn Calculator - Estimate Bike Ride Calories by Speed and Weight Estimate calories burned on a bike ride using distance, ride time, average speed-based MET bands, and body weight in metric or imperial units. cycling calorie calculator bike calories cycling energy expenditure calories burned biking cycling MET calculator DASH Diet Sodium Planner | Meal-by-Meal Sodium Budget Split a DASH daily sodium goal into meal-by-meal budgets, compare 1,500 mg and 2,300 mg targets, and use the result for label reading, recipe planning, and restaurant choices. DASH diet sodium planner sodium calculator blood pressure healthy eating Electric Toothbrush Head Replacement Planner | Estimate the Next Swap Date Estimate when to replace an electric toothbrush head based on the last swap date, daily brushing frequency, and brushing pressure. electric toothbrush head replacement toothbrush head timing oral care planner 1=light 3=heavy Electric vs Manual Toothbrush Cost Calculator | Compare Long-Term Brush Spending Compare long-term brushing costs for electric and manual toothbrushes by entering handle price, replacement-head cost, brush lifespan, and analysis period. electric toothbrush cost calculator manual toothbrush comparison oral care budget toothbrush replacement cost analysis Electric Wheelchair Charging Cost Calculator | Estimate Recharge Energy and Monthly Cost Estimate how much it costs to recharge an electric wheelchair using battery voltage, amp-hours, charger efficiency, electricity rate, range per charge, and daily mileage. electric wheelchair charging cost calculator wheelchair electricity cost mobility aid energy use USD account for charger efficiency Elliptical Calorie Burn Calculator | RPM, Resistance, and Weight Estimate elliptical workout calories from stride length, pedal RPM, resistance level, duration, and body weight, with calculated virtual speed and distance. elliptical calorie calculator stride length resistance level cardio energy expenditure MET Employee Turnover Rate Calculator (Voluntary + Involuntary) Compute employee turnover rate the way BLS JOLTS and SHRM define it: separations divided by average headcount. Splits voluntary, involuntary and other exits. employee turnover rate calculator attrition rate quit rate JOLTS separations rate average headcount Ergonomic Desk Height Calculator | Sitting and Standing Estimate an ergonomic sitting or standing desk height from your body height, shown in inches and centimeters, as a starting point for a comfortable workstation. ergonomic desk height calculator ideal desk height standing desk height sitting desk height office ergonomics Evening Screen Light Melatonin Suppression Calculator | Lux, Time & Filter Model estimated evening melatonin suppression from screen illuminance in lux, viewing duration, and blue-light filter reduction with a transparent dose-response curve. blue light calculator melatonin suppression screen exposure lux circadian rhythm Eyeglass Prescription Power Calculator | Sphere, Cylinder & Axis Analyze a single-vision eyeglass prescription in minus-cylinder form. See equivalent sphere, the powers in the axis and perpendicular meridians, and the size of the astigmatism correction. eyeglass prescription calculator vision correction power diopter strength astigmatism sphere cylinder axis Fallout Shelter Radiation Dose Calculator Project cumulative radiation dose inside a shelter after nuclear fallout using initial intensity, protection factor, decay half-life, and stay duration. fallout shelter radiation dose calculator nuclear preparedness tool after cumulative decay FIB-4 Score Calculator for Liver Fibrosis Risk | AST, ALT & Platelets Use age, AST, ALT, and platelet count to calculate a FIB-4 score and place liver fibrosis screening risk in the age-adjusted range. FIB4 calculator liver fibrosis score hepatitis risk AASLD ALT Fluoride Intake Calculator for Water, Toothpaste, and Daily Sources Use this fluoride intake calculator to estimate mg/day from drinking water, swallowed toothpaste, tea, supplements, and other common sources, then compare the total with age-based reference limits. fluoride intake calculator fluoride exposure water fluoride toothpaste fluoride dental health calculator Food Temperature Danger Zone Calculator - Estimate Safe Hold Time Enter a food's internal temperature to estimate how long it can remain in the 40–140°F danger zone before refrigeration or reheating is needed. food safety calculator temperature danger zone bacterial growth FDA FSIS Formaldehyde Inhalation Dose & Hazard Quotient Calculator Calculate inhaled formaldehyde dose from indoor-air concentration, breathing rate, exposure duration, and body weight, then view its hazard quotient. formaldehyde exposure calculator indoor air quality hazard quotient air air concentration Greenhouse Ventilation Calculator | Size Fans by House Volume and ACH Estimate greenhouse fan airflow from length, width, height, and air changes per hour so you can size exhaust fans, vents, and controls for crop conditions. greenhouse ventilation calculator greenhouse fan size air changes per hour ACH CFM Hand-Arm Vibration Exposure Calculator - Estimate A(8) from Multiple Tools Estimate daily hand-arm vibration exposure A(8) from one or more tools, compare the result with common action and limit values, and see how trigger time and acceleration combine across a shift. hand arm vibration exposure calculator vibration risk HAVS vibration exposure ISO Health Insurance Plan Comparison Calculator for Premiums, Deductibles, Copays, and Out-of-Pocket Costs Compare up to three health insurance plans by estimated annual cost. This calculator combines premiums, deductibles, copays, coinsurance, prescriptions, surgery assumptions, and out-of-pocket maximums for HMO, PPO, EPO, and HDHP options. health insurance comparison health plan calculator HMO vs PPO healthcare cost calculator insurance plan comparison Heat Index and Humidity Comfort Calculator | Feels-Like Temperature Calculate the heat index from air temperature and relative humidity, account for activity level, review heat-risk categories, and get practical hot-weather safety guidance. heat index calculator humidity comfort apparent temperature feels like temperature heat illness Herd Immunity Coverage Calculator: R0 and Vaccine Effectiveness Estimate the vaccination coverage needed for a herd-immunity threshold using a basic reproduction number (R0) and vaccine effectiveness. herd immunity vaccination coverage calculator vaccine effectiveness CDC COVID SARS HIIT Calorie Burn Calculator | Estimate Work and Recovery Interval Calories Estimate calories burned in a HIIT workout by entering your body weight, interval count, work duration, recovery duration, and MET values for each phase. HIIT calorie burn calculator interval training calories high intensity exercise energy MET calculator HIIT Home Radon Fan Runtime & Steady-State Planner Plan a home radon mitigation fan runtime, target-clearance estimate, and predicted steady-state radon level from space volume, fan airflow, infiltration, and radon entry rate. radon mitigation calculator radon fan runtime indoor air quality planning radon reduction time ACH Ideal Body Weight Calculator: Devine, Hamwi, Miller & Robinson Compare ideal body weight estimates from the Devine, Hamwi, Miller, and Robinson height-based equations using height and reference sex. ideal body weight calculator devine formula hamwi method miller equation robinson equation

In-Flight Cosmic Radiation Calculator - Estimate Airline Dose by Altitude and Time Estimate in-flight cosmic-radiation dose from cruising altitude, time at cruise, and solar conditions with a transparent airline exposure calculator. air travel radiation calculator cosmic ray dose flight safety air travel radiation airline Indoor Rowing Calorie Burn, Split & MET Calculator Estimate indoor rowing calorie burn from distance, workout time, and body weight. View average 500 m split, speed, and the MET band used for the estimate. rowing machine calorie calculator erg calories indoor rowing MET rowing energy expenditure 500m split calculator Insomnia Severity Index Calculator | Seven-Item ISI Score Calculate an Insomnia Severity Index (ISI) score from seven sleep-impact ratings and view its standard severity range. insomnia severity index ISI calculator sleep assessment CBT ISI Insulin Bolus Calculator - Carb Counting and Correction Doses Estimate rapid-acting insulin doses using carb counts, current blood glucose, and correction factors. insulin bolus calculator carb ratio correction factor CGM TDD Insulin Sensitivity Factor Calculator - Diabetes Management Aid Estimate your insulin sensitivity factor (ISF) from your total daily insulin dose using the 1500, 1700, or 1800 rule, in mg/dL and mmol/L. Educational estimate only. insulin sensitivity factor ISF calculator diabetes care 1.7 mmol 1.9 mmol Langmuir Adsorption Calculator - Estimate Surface Coverage from K and P Estimate Langmuir surface coverage from adsorbate pressure or concentration and an adsorption constant K for monolayer sites. Langmuir adsorption calculator isotherm surface science BET Brunauer-Emmett-Teller LASIK vs Glasses & Contacts Lifetime Cost Calculator Compare LASIK, PRK, SMILE, or a lens implant with glasses or contacts over your chosen analysis period. Model surgery, follow-up care, insurance discounts, and yearly eyewear spending. LASIK cost calculator vision correction LASIK vs contacts refractive surgery cost eye surgery pricing LDL Cholesterol Estimator - Friedewald Formula Estimate your low-density lipoprotein (LDL) cholesterol using the Friedewald formula from standard lab values for total cholesterol, HDL, and triglycerides... LDL calculator Friedewald equation cholesterol estimator AACVPR AAPA Loading Dose Calculator - Estimate a Rapid Pharmacokinetic Starting Dose Estimate a loading dose from target concentration, volume of distribution, and bioavailability for IV or oral dosing when rapid therapeutic levels matter. loading dose calculator pharmacology dosage therapeutic drug monitoring ABC C target Meat Smoking Time Calculator for Cook, Safety, and Fuel Planning Estimate smoking time, safe internal temperature, barbecue stall timing, schedule range, and smoker fuel for brisket, pork, poultry, ribs, and salmon. meat smoking time calculator brisket smoking time safe internal temperature smoker danger zone barbecue stall Medication Half-Life Calculator | Estimate How Long a Dose Lingers Estimate how much medication remains after a chosen number of hours, track elapsed half-lives, and gauge when a dose has mostly cleared. medication half-life calculator pharmacokinetics drug elimination after chosen Medication Tapering Schedule Calculator & Discussion Worksheet A medication tapering schedule worksheet: record the drug, class, current dose, symptoms, and prescriber-written dose steps. It does not generate dosing advice. medication taper worksheet prescriber taper visualizer dose discussion planner medication safety tapering schedule calculator Metabolic Age Calculator | Body Fat, Lean Mass and BMR Work out a metabolic age from body-fat percentage, BMI and sex using the Deurenberg reference curve, alongside Mifflin-St Jeor BMR, lean-mass RMR and daily calories. metabolic age calculator BMR basal metabolic rate body fat percentage lean body mass Monthly Déjà Vu Frequency Estimator | Age, Sleep, Stress & Novelty Estimate a monthly déjà vu frequency using an educational model of age, average sleep, stress level, and visits to genuinely new places. deja vu calculator memory glitch frequency familiarity illusion 1 = very calm 10 = extremely stressed MRI Quench Room Oxygen Displacement Hazard Calculator Estimate MRI quench helium expansion, scan-room oxygen displacement, threshold timing, required quench-pipe capture, and ventilation purge time. MRI quench calculator helium expansion ratio oxygen displacement oxygen deficient atmosphere quench pipe Navy PRT Score Calculator for Push-Ups, Plank and Cardio Estimate Navy Physical Readiness Test points for push-ups, the forearm plank and a published cardio event, then review the average score, category level and next training target. navy prt calculator navy physical readiness test score forearm plank standards navy push-up standards 1.5 mile run score Noise Exposure Calculator: NIOSH and OSHA Safe Time Calculate allowable noise exposure time, daily dose, and eight-hour TWA under NIOSH and OSHA rules, including real-world NRR hearing-protection derating. noise exposure calculator safe listening time decibel noise dose exchange rate Omega-3 to Omega-6 Ratio Calculator | Daily Fatty Acid Balance Calculate your omega-6 to omega-3 intake ratio, see whether it meets a 4:1 goal, and estimate the additional omega-3 needed. omega 3 to omega 6 ratio calculator fatty acid balance 1 tbsp 4 - omega3Grams ALA Orthodontic Treatment Cost & Duration Planner - Braces Calculator Calculate total orthodontic treatment costs including braces, Invisalign, and aligners. Plan payment options, insurance coverage, and realistic treatment timelines by complexity. braces cost calculator Invisalign cost orthodontic treatment planner teeth alignment cost dental braces pricing Oxygen Delivery, FiO₂ and ROX Index Calculator Estimate delivered FiO₂ and calculate the ROX index, S/F and P/F ratios, alveolar PAO₂, A–a gradient, arterial oxygen content, and oxygen-cylinder runtime. oxygen calculator FiO2 calculator ROX index calculator SpO2 FiO2 ratio PaO2 FiO2 ratio Ozone Exposure Risk Calculator for EPA 8-Hour Benchmark and Inhaled Dose Compare an ozone concentration with the EPA 8-hour benchmark and estimate inhaled dose from breathing rate, exposure time, and body weight. ozone exposure calculator ambient ozone benchmark respiratory dose AQI EPA Peak Expiratory Flow Calculator | Predicted PEF, Percentage & Zones Calculate predicted peak expiratory flow using Nunn & Gregg equations, compare a peak flow meter reading with predicted PEF, and identify its asthma action-plan zone. peak expiratory flow calculator pef calculator asthma zones lung function peak flow meter PHQ-9 Depression Symptom Score Calculator | 9-Item Total Add nine PHQ-9 symptom-frequency responses to see the 0–27 depression screening score and its severity band. PHQ-9 calculator depression score mental health assessment PHQ PHQ-9 Pittsburgh Sleep Quality Index Calculator | Simplified PSQI Screener Score seven Pittsburgh Sleep Quality Index components, including sleep efficiency from your bed and wake times, and see how the total reads against the standard cutoff. PSQI calculator Pittsburgh sleep quality index sleep quality score sleep assessment screener PSQI Potassium Intake Calculator: Daily mg Target by Age and Life Stage Find your daily potassium Adequate Intake in mg by age and life stage, compare it with what you eat, and see how many servings of a food would close the gap. potassium intake calculator recommended potassium daily potassium mg potassium requirement by age potassium RDA Pregnancy Due Date, Gestational Age & Trimester Calculator Estimate a due date and gestational age from an LMP, conception date, or dating scan using Naegele's rule, cycle-length adjustment, and ACOG term definitions. pregnancy calculator due date calculator gestational age Naegele rule EDD Prostate Cancer Risk Calculator for PSA Density, Velocity and Free PSA Compare total PSA with age-specific limits and calculate PSA density, PSA velocity and published free-PSA biopsy probabilities. Educational only. prostate cancer risk calculator PSA density calculator PSA velocity free PSA ratio age-specific PSA range QTc Interval Calculator: Bazett, Fridericia, Framingham & Hodges Calculate corrected QT from an ECG QT interval and RR interval or heart rate using Bazett, Fridericia, Framingham, and Hodges correction formulas. QTc calculator QT interval correction Bazett formula Fridericia formula ECG QT interval Radiation Dose Calculator | Convert Dose Rate to Session, Monthly & Annual mSv Calculate external radiation dose from a posted dose rate, time in the field, and recurring visit schedule. Convert µSv/hour to mSv/hour and estimate session, monthly, and annual mSv totals. radiation dose calculator exposure estimate sievert calculator mSv calculator uSv to mSv Radiation Shielding Thickness Calculator for Gamma and X-Rays Calculate gamma-ray or X-ray shielding thickness using linear or mass attenuation coefficients, buildup, distance, half-value layers and tenth-value layers. radiation shielding calculator attenuation thickness half value layer buildup factor dose reduction Resin UV Post-Cure Dose Calculator | Exposure Time, Rotations & Heat Calculate a resin print's UV post-cure exposure time, full turntable rotations, delivered dose, and estimated chamber heat from target dose, measured intensity, coverage, and thermal limits. Resin UV Post-Cure Dose Calculator | Exposure Time, Rotations & Heat health calculator DLP FAQ IPA Running Impact Force Calculator | Peak Vertical Ground Reaction Force Estimate active peak vertical ground reaction force per running step from body mass, speed, cadence, and measured or estimated ground contact time. running impact force calculator ground reaction force duty factor peak vertical GRF running cadence Skeletal Muscle Mass Index Calculator: Estimate SMI and ASMI Estimate skeletal muscle mass index (SMI) and appendicular skeletal muscle mass index (ASMI) from weight, height, body fat percentage, and sex. skeletal muscle mass index calculator SMI calculator ASMI calculator muscle mass estimator ASMI Sleep Apnea Risk Calculator | STOP-BANG Screening Tool Estimate obstructive sleep apnea screening risk with the STOP-BANG questionnaire. Review symptoms, BMI, age, neck circumference, and a clear low, intermediate, or high risk result. sleep apnea risk calculator STOP-BANG snoring daytime sleepiness sleep disorder Smoking Pack-Year Calculator | Calculate Pack Years from Cigarettes Per Day Use this smoking pack-year calculator to estimate cumulative cigarette exposure from cigarettes per day and years smoked. Includes the standard formula, examples, interpretation guidance, limitations, and an optional pack-year mini-game. pack year calculator smoking history lung cancer risk tobacco exposure 10 cigarettes Sports Betting Arbitrage Calculator | Two-Outcome Surebet Stake Split Calculate a two-outcome sports betting arbitrage stake split, implied probability, payout, and theoretical profit from decimal odds. sports betting arbitrage calculator surebet risk-free betting and the edge can be expressed as arbitrage Stair Climber Calorie Burn Calculator | Steps, Vertical Gain, and METs Estimate stair climber calories from steps, step height, workout time, and body weight. See cadence, vertical meters climbed, and the MET used for the stair-session estimate. stair climbing calorie calculator stepper MET stair climber energy burn stairs calories burned stair workout calculator Standing Desk Calorie Burn Calculator | Standing vs Sitting Estimate Estimate the extra calories burned by standing instead of sitting. Enter weight in kg and daily standing hours for a quick MET-based calorie comparison. Standing Desk Calorie Burn Calculator | Standing vs Sitting Estimate health calculator MET MET stand − MET sit MET-based Steady-State Drug Concentration Calculator for Peak, Trough and Loading Dose Calculate one-compartment steady-state drug peak, trough and average concentrations, clearance, accumulation ratio, loading dose and time to steady state. pharmacokinetics calculator steady-state concentration elimination rate constant accumulation ratio loading dose Steps to Distance Converter | Estimate Walking Distance from Step Count Turn a step count into estimated distance in miles and kilometers by entering your step length. Includes stride measurement tips, formula notes, and accuracy guidance. steps to miles steps to kilometers distance walked 0 or more FAQ STOP-BANG Sleep Apnea Risk Calculator Calculate a STOP-BANG score from snoring, tiredness, observed apnea, blood pressure, BMI, age, neck circumference, and sex to estimate sleep apnea screening risk. stop bang calculator sleep apnea risk snoring assessment stop-bang score obstructive sleep apnea screening Sunburn Risk Calculator – Estimate Time to Burn from UV Index and SPF Estimate a rough time-before-sunburn planning guide from UV Index, Fitzpatrick skin type, and sunscreen SPF, with practical sun-safety context. sunburn risk calculator UV Index sunscreen SPF Fitzpatrick skin type sun exposure time Thin-Walled Pressure Vessel Stress Calculator Compute hoop and longitudinal stresses for cylindrical or spherical thin-walled pressure vessels. thin walled pressure vessel stress calculator hoop stress cylindrical vessel ASME LNG Tire Pressure Adjustment Calculator - Account for Temperature Changes Calculate the recommended tire pressure based on temperature differences. Keep your tires properly inflated for safety and fuel efficiency. tire pressure adjustment temperature tire calculator PSI change with temperature tire safety P 1 + P atm UV-C Dose Exposure Time Calculator for Irradiance Planning Calculate the UV-C exposure time needed to deliver a target dose using measured irradiance or a point-source estimate from lamp power and distance. uvc exposure time calculator germicidal lamp dose disinfection uv calculator DNA RNA Vaccine Temperature Excursion Potency Risk Calculator Model estimated vaccine potency loss during a temperature excursion from degrees above the limit, exposure duration, formulation sensitivity, and starting potency. vaccine cold chain risk calculator temperature excursion potency loss immunization storage 1 − P remain P start Virtual Marathon Training Pacer: Splits, Zones and Riegel Turn a goal marathon time into exact per-kilometre and per-mile splits, Riegel race-equivalent times and training pace zones for virtual or certified courses. marathon training pacer running pace planner riegel race predictor marathon split calculator 1.15 to 1.30 times marathon pace Vitamin D Sunlight Exposure Calculator - Sun Minutes Estimate how many minutes of midday sun your body needs for vitamin D based on UV index, skin type, and how much skin is exposed. vitamin d sunlight calculator uv exposure estimator vitamin d sun exposure time sunlight exposure calculator 100 ÷ bodyExposedPct Waist-to-Height Ratio Calculator for Abdominal Obesity Screening Calculate your waist-to-height ratio, review the built-in screening category, and compare your waist measurement with the commonly used 0.5 reference. waist-to-height ratio WHtR screening central obesity risk abdominal obesity assessment built Walking Calorie Burn Calculator – Research‑Based Energy Estimate Estimate calories burned on your walk using distance, time and body weight. This calculator applies research‑based MET values to give an approximate energy u... walking calories walking calorie calculator walking energy expenditure 30 min 4.3 METs Wearable Device Battery Life Predictor for Smartwatch Runtime Estimate smartwatch or fitness band runtime from battery capacity, average draw, daily wear time, and power-management efficiency. wearable battery life calculator smartwatch battery estimator AMOLED GPS LTE Weight Lifting Calorie Burn Calculator | MET Strength Estimate Estimate calories burned while lifting weights from body weight, active training time, and light, moderate, or vigorous MET intensity. weight lifting calories strength training calorie calculator weight training energy calories burned lifting weights MET Weight-Based Medication Dose and Liquid Volume Calculator Calculate a weight-based medication dose in mg and the matching liquid volume in mL from a prescribed mg/kg dose and product concentration. Verify every dose with a licensed healthcare professional. drug dosage calculator mg per kg medical dosing 3.5 mL or 4.0 mL BSA Wells Score for DVT Calculator | Estimate Deep Vein Thrombosis Pre-Test Probability Calculate the Wells score for suspected deep vein thrombosis using standard clinical criteria, review the MathML formula, and understand low, moderate, and high pre-test probability categories. Wells score calculator DVT risk assessment deep vein thrombosis probability Wells DVT score -2 points Y-BOCS OCD Score Calculator | Yale-Brown Obsessive Compulsive Scale Total the 10 Yale-Brown Obsessive Compulsive Scale items, see obsession and compulsion subscores, and read common Y-BOCS severity ranges. Not a diagnosis. Y-BOCS calculator OCD severity test obsessive compulsive scale Yale-Brown scale BOCS Saved health calculators Keep your go-to wellness tools ready for check-ins and planning. You haven't saved any health calculators yet. Search or browse to pin your favourites.