22 tools
Health & Fitness
Informational body and activity calculators. They never replace a qualified health professional.
Tools in this category
- Health & FitnessBMI CalculatorBody mass index, its standard category and the weight range for a BMI of 18.5 to 24.9.
- Health & FitnessBMR and Daily Calorie CalculatorBasal metabolic rate by the Mifflin-St Jeor equation, and daily needs at your activity level.
- Health & FitnessRunning Pace CalculatorPace per kilometre and per mile from a distance and a finishing time, with average speed.
- Health & FitnessWater Intake Reference CalculatorA rough daily water reference from body weight and exercise time.
- Health & FitnessCalories Burned CalculatorEnergy used during an activity from its MET intensity, your weight and the duration.
- Health & FitnessHeart Rate Zones CalculatorEstimated maximum heart rate and the 60, 70, 80 and 90 percent training thresholds.
- Health & FitnessBody Fat Calculator (US Navy Method)Estimated body fat percentage, fat mass and lean mass from neck, waist, hip and height measurements.
- Health & FitnessSleep Cycle CalculatorTime in bed needed for a number of sleep cycles, including the time it takes to fall asleep.
- Health & FitnessCalorie Deficit CalculatorTime to reach a target weight at a chosen daily calorie deficit, and the intake it implies.
- Health & FitnessIdeal Body Weight CalculatorDevine and Robinson ideal weights for both sexes, alongside the healthy BMI weight range.
- Health & FitnessRace Finish Time CalculatorFinish time for any distance from a target pace per kilometre, with the average speed.
- Health & FitnessSteps to Distance CalculatorDistance walked from a step count, with stride length estimated from your height.
- Health & FitnessMacronutrient CalculatorDaily grams of protein, carbohydrate and fat from a calorie target and a percentage split.
- Health & FitnessOne Rep Max CalculatorEstimated maximum single lift from a set, by two published formulas, with common training percentages.
- Health & FitnessWaist-to-Height Ratio CalculatorWaist measurement divided by height, with the half-height reference value.
- Health & FitnessCycling Power CalculatorThe watts needed to hold a speed, split between air resistance, rolling resistance and the gradient.
- Health & FitnessKarvonen Target Heart Rate CalculatorTraining heart rate zone from the heart rate reserve method, using your resting pulse.
- Health & FitnessWaist to Hip Ratio CalculatorWaist-to-hip ratio, with the waist measurement that would meet the commonly cited thresholds.
- Health & FitnessBody Surface Area CalculatorBody surface area by the Mosteller, Du Bois and Haycock formulas, with the BMI alongside.
- Health & FitnessSwimming Pace CalculatorPace per 100 metres, speed, number of lengths and the average time per length.
- Health & FitnessCooper Test VO₂ Max CalculatorEstimated VO₂ max from the distance covered in a 12-minute run, with the MET equivalent.
- Health & FitnessLean Body Mass Calculator (Boer Formula)Lean mass, fat mass and implied body fat percentage from height, weight and sex.