Health Calculators
A collection of free health and fitness calculators for body measurements, nutrition, exercise, pregnancy and everyday health metrics.
BMI Calculator
Work out your body mass index from your height and weight and see which weight category it falls into.
Calorie Calculator
Estimate how many calories you need each day to maintain, lose or gain weight based on your activity level.
Popular Health Calculators
Our health calculators help you understand your body and track your progress with quick, easy estimates. Check your BMI, body fat percentage, waist-to-hip ratio or body surface area, or work out how many calories you burn each day with the BMR, TDEE and Calorie Calculators.
For training, the One Rep Max, Target Heart Rate Zone and VO2 Max Calculators help you plan workouts at the right intensity, and the ACFT Calculator scores the Army Combat Fitness Test. Expecting parents can use the Pregnancy, Due Date, Ovulation and Baby Growth Calculators to follow each stage.
These tools give general estimates based on standard formulas and are not a substitute for medical advice. Always speak to a doctor or qualified health professional about your individual needs.
