❤️ Health & Fitness Calculators
General wellness, body measurements, activity and exercise estimates.
BMI CalculatorCheck body mass index with metric or imperial units.BMR CalculatorEstimate basal metabolic rate using age, sex, height and weight.Calorie CalculatorEstimate daily calorie needs from BMR and activity level.Body Fat CalculatorEstimate adult body-fat percentage using the U.S. Navy circumference method.Ideal Weight CalculatorView common formula estimates for ideal body weight based on height and sex.Water Intake CalculatorEstimate a basic daily water target from body weight and activity time.Running Pace CalculatorCalculate running pace per kilometre and average speed from distance and elapsed time.Body Surface Area CalculatorEstimate body surface area from height and weight using the Mosteller formula.Maximum Heart Rate CalculatorEstimate maximum heart rate from age using a common population formula.Target Heart Rate CalculatorEstimate an exercise target heart rate from age, resting heart rate and intensity.Protein Intake CalculatorEstimate a simple daily protein range from body weight and activity level.Macro CalculatorSplit a daily calorie target into protein, fat and carbohydrate grams.One Rep Max CalculatorEstimate one-repetition maximum from a weight lifted and completed repetitions.Calories Burned CalculatorEstimate exercise calories burned from body weight, activity MET value, and minutes.Walking Pace CalculatorCalculate walking pace and average speed from distance and elapsed minutes.Sleep Duration CalculatorCalculate total sleep time from bedtime and wake-up time.Waist-to-Height Ratio CalculatorCalculate waist-to-height ratio from waist circumference and height.Waist-to-Hip Ratio CalculatorCalculate waist-to-hip ratio from waist and hip circumference.Lean Body Mass CalculatorEstimate lean body mass from total body weight and body-fat percentage.Healthy Weight Range CalculatorShow the body-weight range corresponding to BMI values 18.5 to 24.9 for a height.BMI Prime CalculatorCalculate BMI Prime by dividing BMI by the upper adult reference BMI of 25.Steps to Calories CalculatorEstimate walking calories from body weight and daily step count.Cycling Calories CalculatorEstimate calories burned while cycling from body weight, duration and MET value.Running Calories CalculatorEstimate running calories from body weight and distance.Heart Rate Zone CalculatorEstimate five training heart-rate zones from age and a chosen maximum heart-rate formula.
Free health & fitness calculators
Choose a calculator above, enter your values and receive an instant result. Each tool works on mobile, tablet and desktop without registration.