Health & fitness
Pick a tool. Each one answers as you type and shows how the result was worked out.
BMI calculatorBody mass index for adults, with the WHO category for your result.Calorie calculatorEstimate your daily calorie needs from your size, age and activity.BMR calculatorAn estimate of the calories your body uses at complete rest.Body fat calculatorBody fat percentage from a few tape-measure readings.Ideal weight calculatorFour classic ideal-weight formulas side by side, plus the healthy BMI range.Pace calculatorPace, finish time or distance for running and walking, in km or miles.Heart rate zone calculatorEstimated maximum heart rate and five training zones.One rep max calculatorEstimate the most you could lift once from a lighter set.