Health & Fitness Calculators
Health calculators for BMI, calories, fitness, and medical calculations
83 calculators available now
BMI Calculator
Calculate your Body Mass Index and weight category
Calorie Calculator
Calculate daily calorie needs for weight loss or gain
BMR Calculator
Calculate your Basal Metabolic Rate
TDEE Calculator
Calculate Total Daily Energy Expenditure
FFMI Calculator
Calculate your Fat-Free Mass Index
Peptide Calculator (mg for Weight Loss)
Calculate peptide dosage in mg for weight management
Progesterone Estrogen Ratio Calculator
Calculate the progesterone to estrogen ratio
Pregnancy Calculator
Calculate pregnancy due date and trimester
Ideal Weight Calculator
Calculate ideal body weight
Body Fat Calculator
Calculate body fat percentage
Water Intake Calculator
Calculate daily water needs
Protein Calculator
Calculate daily protein needs
Macro Calculator
Calculate macronutrient needs
Heart Rate Calculator
Calculate target heart rate zones
Lean Body Mass Calculator
Calculate lean body mass and fat mass
GFR Calculator
Calculate estimated glomerular filtration rate
Creatinine Clearance Calculator
Calculate creatinine clearance (CrCl)
Blood Pressure Calculator
Calculate BP category, MAP, and pulse pressure with health assessment
Ovulation Calculator
Calculate ovulation date and fertile window for conception
Waist to Hip Ratio Calculator
Compute WHR and health risk category
Navy Body Fat Calculator
U.S. Navy body fat method using neck, waist, hip, and height
One Rep Max Calculator
Estimate 1RM from submax reps (Epley, Brzycki, Lombardi)
Walking Calorie Calculator
Calories burned by weight, speed, incline, and duration
VO2 Max Calculator
Estimate VO2 max via Cooper, Rockport, or field tests
Pregnancy Due Date Calculator
Calculate EDD by LMP or conception and see trimester timeline
Body Surface Area Calculator
Calculate BSA using DuBois, Mosteller, and other medical formulas
Running Calorie Calculator
Calculate calories burned running based on pace and distance
BAC Calculator
Calculate blood alcohol content and impairment
Army Body Fat Calculator
Calculate body fat using military tape test
BMI Category Calculator
Calculate BMI and determine weight category
Waist to Height Ratio Calculator
Calculate waist-to-height ratio and health risk
Wilks Score Calculator
Calculate Wilks coefficient for powerlifting
Medicare Calculator
Calculate Medicare premiums including IRMAA surcharges
Strength Level Calculator
Evaluate your lifting strength levels
Cycling Calorie Calculator
Calculate calories burned while cycling
Swimming Calorie Calculator
Calculate calories burned while swimming
Stair Climbing Calorie Calculator
Calculate calories burned climbing stairs
Jump Rope Calorie Calculator
Calculate calories burned jumping rope
Conception Date Calculator
Calculate conception date from due date
Implantation Calculator
Calculate implantation date and window
Gestational Age Calculator
Calculate pregnancy gestational age
Carb Calculator
Calculate daily carbohydrate needs
Keto Calculator
Calculate keto macros and meal plans
Fiber Calculator
Calculate daily fiber intake needs
Kettlebell Swing Calculator
Calculate kettlebell weight and workout plan
Resting Metabolic Rate Calculator
Calculate your RMR and calorie needs
Active Metabolic Rate Calculator
Calculate TDEE and active calorie needs
Ideal Body Weight Calculator
Calculate ideal body weight using multiple formulas
Adjusted Body Weight Calculator
Calculate adjusted body weight for medical dosing
Intermittent Fasting Calculator
Calculate fasting windows and meal timing
Medication Dosage Calculator
Calculate medication dosages based on weight
Pediatric Dosage Calculator
Calculate pediatric medication dosages
HCG Calculator
Track HCG levels and doubling time
Diaper Calculator
Calculate diaper needs and costs
Baby Sleep Calculator
Calculate baby sleep schedules
Formula Calculator
Calculate baby formula feeding amounts
Breastfeeding Calculator
Track breastfeeding schedule and intake
Meal Prep Calculator
Calculate meal prep quantities and costs
Alcohol Unit Calculator
Calculate alcohol units and standard drinks
Sugar Calculator
Track daily sugar consumption
Sodium Calculator
Calculate daily sodium intake
Recipe Nutrition Calculator
Calculate complete nutrition facts for recipes
Fetal Weight Calculator
Estimate fetal weight from ultrasound
Contraction Timer Calculator
Time and track labor contractions
IV Drip Rate Calculator
Calculate IV infusion rates
Anion Gap Calculator
Calculate serum anion gap
Apgar Score Calculator
Calculate newborn Apgar score
Bishop Score Calculator
Assess cervical readiness for labor
CHA2DS2-VASc Score Calculator
Calculate stroke risk in atrial fibrillation
Corrected Sodium Calculator
Adjust sodium for hyperglycemia
Corrected Calcium Calculator
Adjust calcium for albumin levels
Osmolality Calculator
Calculate serum osmolality
FENa Calculator
Calculate fractional excretion of sodium
APACHE Score Calculator
Calculate ICU mortality risk (APACHE II)
MELD Score Calculator
Calculate liver disease severity score
Child-Pugh Score Calculator
Assess liver cirrhosis severity
Wells Score Calculator
Calculate DVT probability
Framingham Risk Calculator
Calculate 10-year cardiovascular risk
ASCVD Risk Calculator
Calculate atherosclerotic CVD risk
Fractional Excretion Calculator
Calculate fractional excretion of substances
PERC Rule Calculator
Rule out pulmonary embolism using PERC criteria
NIH Stroke Scale Calculator
Assess stroke severity (NIHSS)
Glasgow Coma Scale Calculator
Assess level of consciousness (GCS)