Health
Health tools
8 free tools. No sign-up, no server, works offline.
BMI CalculatorCalculate Body Mass Index from height and weight, in metric or imperial units.BMR & Daily Energy CalculatorEstimate resting metabolic rate and total daily energy expenditure using the Mifflin-St Jeor equation.Body Fat Percentage EstimatorEstimate body fat percentage from tape measurements using the US Navy circumference method.Reference Weight Range CalculatorWeight ranges from the standard clinical formulas, with a clear account of what they can and cannot tell you.Daily Water Intake EstimatorA rough guide to daily fluid needs based on body weight, activity and climate.Heart Rate Zone CalculatorTraining heart rate zones from maximum or reserve heart rate, with what each zone is for.Pregnancy Due Date CalculatorEstimate a due date from the last menstrual period or conception date, with current gestational age.Ovulation & Fertile Window CalculatorEstimate ovulation and the fertile window from cycle length and last period date.