Health & Fitness Calculators
Browse our collection of Health & Fitness calculators. BMI, calorie intake, fitness metrics, and health calculations. Includes formulas and worked examples.
264 calculators in this section.
Health & Fitness Calculators
- "Fat-Burn" vs. "Cardio" Zone Split — Compare fat-burn and cardio heart rate zones.
- ABSI Calculator — Calculate A Body Shape Index (ABSI)
- Acid-Base Balance Calculator — Assess acid-base balance from pH and bicarbonate
- Activities of Daily Living Calculator — Assess independence in activities of daily living
- Activity Multiplier Calculator — Calculate TDEE using activity multiplier
- Activity-Adjusted TDEE — Calculate Total Daily Energy Expenditure adjusted for activity level.
- Addiction Severity Index — Estimate addiction severity index.
- Adjusted Body Weight Calculator — Calculate Adjusted Body Weight for clinical use
- Adult Maintenance Fluid Rate — Calculate maintenance fluid rate for adults.
- Andropause Symptom Score — Estimate andropause symptom score.
- Anion Gap Calculator — Calculate anion gap from electrolytes
- Anxiety Level Calculator — Assess anxiety level from symptoms
- APACHE Score Calculator — Calculate APACHE II score for ICU mortality prediction
- Army Body Fat Calculator — Calculate body fat percentage using the U.S. Army formula.
- ASCVD Risk Calculator — Estimate ASCVD risk.
- Atherogenic Index of Plasma — Calculate atherogenic index of plasma.
- Athletic Body Mass Index Calculator — Calculate adjusted BMI for athletes
- BAI Calculator - Body Adiposity Index — Calculate Body Adiposity Index (BAI)
- Baltimore Classification Calculator — Classify pancreatitis severity using Baltimore criteria
- Bedridden Patient Height Calculator — Estimate height for bedridden patients using knee height
- BEE Calculator — Calculate Basal Energy Expenditure (BEE).
- Berlin Questionnaire (OSA Risk) — Estimate OSA risk using Berlin Questionnaire.
- Bleeding Risk Calculator — Assess bleeding risk from various factors
- Blood Pressure Category Calculator — Categorize blood pressure readings
- BMI Calculator — Calculate Body Mass Index (BMI) and ideal weight range
- BMI Calculator for Kids — Calculate BMI for children and compare to age/gender percentiles
- BMI Calculator for Men — Calculate BMI for adult men
- BMI Calculator for Teens — Calculate BMI for teenagers (age 13-19)
- BMI Calculator for Women — Calculate BMI for adult women
- BMI Prime — Calculate BMI Prime (BMI / 25).
- BMI Weight Loss Calculator — Calculate BMI and estimate weight loss needed to reach a target BMI
- BMR Calculator — Calculate Basal Metabolic Rate (BMR) using Mifflin-St Jeor Equation
- BMR Calculator (Basal Metabolic Rate, Mifflin St Jeor Equation) — Calculate BMR using the Mifflin St Jeor equation.
- Body Adiposity Index Calculator — Calculate body adiposity index
- Body Fat Calculator — Calculate body fat percentage using multiple methods
- Body Fat Percentage Estimator — Estimate body fat percentage using measurements
- Body Frame Size Calculator — Estimate body frame size using wrist circumference and height
- Body Shape Calculator — Determine body shape based on measurements
- Body Surface Area (DuBois) — Calculate BSA using the DuBois formula.
- Body Surface Area (Mosteller) Calculator — Calculate body surface area using Mosteller formula
- Bone Density Calculator — Estimate bone density and bone mass
- BRI Calculator — Body Roundness Index — Calculate Body Roundness Index (BRI)
- BSA Calculator – Body Surface Area — Calculate Body Surface Area (BSA) using Mosteller formula
- Burnout Risk for Caregivers — Estimate burnout risk for caregivers.
- Calcium Absorption Calculator — Calculate calcium absorption efficiency
- Calcium Intake Calculator — Calculate daily calcium intake.
- Caloric Deficit for Weight Loss — Calculate daily caloric deficit needed for weight loss.
- Caloric Surplus for Weight Gain — Calculate daily caloric surplus needed for weight gain.
View all 264 calculators (interactive listing)
Browse by Topic
- Body Metrics — 32 body metrics calculators.
- Nutrition & Calories — 21 nutrition & calories calculators.
- Fitness & Exercise — 16 fitness & exercise calculators.
- Clinical & Medical — 9 clinical & medical calculators.
- General — 182 general calculators in this section.