Health and fitness calculators

Body measurements, energy needs, pregnancy dates and training pace, in metric or US units. These are estimates for general information, not medical advice.

• BMI calculatorBody mass index and healthy weight range.
• Calorie calculatorDaily calories to maintain, lose or gain weight.
• Body fat calculatorBody fat percentage from tape measurements.
• Ideal weight calculatorIdeal body weight by four classic formulas.
• Pregnancy due date calculatorEstimated due date and current week of pregnancy.
• Running pace calculatorPace per km and per mile, and speed.

All calculators

• Finance calculatorsLoans and mortgages, saving and investing, pay, prices and business numbers. Every calculator shows the arithmetic behind its answer and works in 22 currencies.
• Income tax calculators by countryEvery country taxes pay differently, so each calculator here follows that country's own rules — brackets, allowances, social contributions and credits — for the current tax year. Pick your country to see your take-home pay.
• Math calculatorsA full scientific calculator plus quick tools for percentages, fractions, averages and random numbers, each with the working shown.
• Everyday calculatorsDates, ages, working hours and unit conversions — the small sums that come up every day.