Fitness & Health Calculators
Free fitness and health calculators for body composition, calorie needs, running pace, and pregnancy dating. Results are general estimates, not medical advice.
Fitness
- BMI CalculatorBody mass index with healthy weight range, US or metric.
- Calorie CalculatorDaily calorie needs to maintain, lose, or gain weight.
- Body Fat CalculatorEstimate body fat percentage with the U.S. Navy method.
- BMR CalculatorBasal metabolic rate by three common formulas.
- Ideal Weight CalculatorIdeal body weight by four classic formulas.
- Pace CalculatorRunning pace, speed, and race time predictions.
Pregnancy
- Pregnancy CalculatorGestational age, trimester, and due date estimates.
- Pregnancy Conception CalculatorEstimate when conception occurred.
- Due Date CalculatorEstimated due date from LMP, conception, or IVF.
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