Health & Fitness Calculators
Used by individuals and professionals to monitor health metrics and fitness goals.
BMI Calculator
E.g.
5'9", 160 lbs → 23.6 BMI.BMR Calculator
E.g.
Male, 30yrs, 6ft, 180lbs → 1,881 calories/day.Body Fat Calculator
E.g.
Male, waist 36", neck 15", 6ft → 20.1% body fat.Calorie Burn Calculator
E.g.
155 lbs person, 30-min run → ~372 calories.Macro Nutrient Calculator
E.g.
2000 cal/day diet → 150g P, 200g C, 67g F.Ideal Weight Calculator
E.g.
Female, 5'6" → healthy weight is 115-154 lbs.Pregnancy Due Date Calculator
E.g.
Last period June 1, 2023 → due date Mar 8, 2024.Ovulation Calculator
E.g.
28-day cycle, last period Oct 1 → ovulate Oct 15.Heart Rate Zone Calculator
E.g.
Age 35 → max HR ~185 bpm, fat burn 111-130 bpm.Daily Water Intake Calculator
E.g.
Weight 150 lbs, moderate activity → ~100 oz/day.Blood Alcohol (BAC) Calculator
E.g.
180lb male, 3 beers, 1hr → 0.04% BAC.Diabetes Risk Calculator
E.g.
High BP, family history, age 45+ → moderate risk.Cholesterol Ratio Calculator
E.g.
Total 220, HDL 45 → Ratio 4.9 (Average risk).Body Frame Size Calculator
E.g.
Male, 6ft, wrist 7.5" → large body frame.TDEE Calculator
E.g.
BMR 1800, active → TDEE is ~2,790 calories/day.Sleep Calculator
E.g.
Go to bed at 10 PM → wake up at 5:30 or 7:00 AM.VO2 Max Calculator
E.g.
1.5-mile run in 12 min → VO2 max is ~48.7 ml/kg/min.Menstrual Cycle Calculator
E.g.
29-day cycle → next period starts in 12 days.Calorie Deficit Calculator
E.g.
TDEE 2500, eat 2000 → 500 cal deficit.Workout Heart Rate Zone Calculator
E.g.
Age 35 → max HR ~185 bpm, fat burn 93-129 bpm.