Health calculators
Body metrics. Not medical advice.
- 1BMI Calculator
Calculate Body Mass Index from height and weight, with both WHO global and Asia-Pacific categories.
- 2BMR Calculator
Basal metabolic rate from height, weight, age, and sex.
- 3TDEE Calculator
Total daily energy expenditure including activity.
- 4Body Fat Calculator
Estimated body fat using the US Navy method.
- 5Ideal Weight Calculator
Healthy weight range from height and sex.
- 6Macro Calculator
Protein, carbs, and fat targets from calories.
- 7Water Intake Calculator
Daily hydration target from body weight.
- 8Pregnancy Due Date Calculator
Estimated delivery date from LMP.
- 9Ovulation Calculator
Fertile window from cycle length and LMP.
- 10Heart Rate Zones Calculator
Training zones from age or max heart rate.
- 11Waist-to-Hip Ratio Calculator
Waist-to-hip ratio and risk category.
- 12Running Pace Calculator
Pace, speed, and split times for a run.
- 13Calorie Deficit Calculator
Daily deficit from TDEE and target intake, with estimated weekly weight change.
- 14Protein Intake Calculator
Daily protein grams from body weight and g/kg target.
- 15Sleep Cycle Calculator
Wake times aligned to 90-minute sleep cycles from bedtime.
- 16A1C to Glucose Calculator
Convert HbA1c and estimated average glucose using ADAG.
- 17VO₂ Max Estimate Calculator
Cardio fitness estimate from Cooper run or resting heart rate.
- 18Lean Body Mass Calculator
Lean mass and estimated fat from weight, height, and sex.