Health calculators
BMI and body measures with plain readings, including cut-offs for Asian populations.
- BMI CalculatorBody mass index in metric or imperial, with WHO bands and the lower cut-offs for Asian populations.
- Calorie CalculatorDaily calories to keep, lose or gain weight, from the Mifflin-St Jeor formula and your activity level.
- Pregnancy Due Date CalculatorEstimated due date, weeks pregnant and trimester from the first day of your last period.
- Body Fat CalculatorBody fat percentage from a tape measure using the US Navy method, with fat and lean mass.
- Ideal Weight CalculatorIdeal weight for your height from four classic formulas, beside the healthy BMI range.
- Water Intake CalculatorHow much water to drink a day for your weight, exercise and climate.
- Ovulation CalculatorYour likely ovulation day, fertile window and next period, for the next three cycles.
- Heart Rate Zone CalculatorMaximum heart rate and the five training zones, using your resting pulse if you know it.
- Sleep CalculatorWhen to go to bed or set your alarm so you wake at the end of a 90-minute sleep cycle.
- Running Pace CalculatorYour pace per km and per mile, speed, and finish times for a 5K, 10K, half and full marathon.