Free calculatorsHealth & fitness
Health and fitness tools provide numerical references for understanding training and body information. You can calculate BMI, compare weight references, estimate basal metabolism and calorie needs, work out running pace, energy expenditure, target heart rate or a one-repetition maximum. Simply choose the subcategory that interests you, then open the tool you need.
Body references
Place BMI and weight references in context without treating them as a diagnosis.
Energy & nutrition
Estimate resting metabolism, calorie needs and activity energy expenditure.
BMR Calculator
Estimate resting calorie needs from weight, height and age. This version uses the male Mifflin-St Jeor equation.
Calorie Calculator
Estimate daily calories from weight, height, age and activity. The calculation uses a male equation and is a guide, not a meal plan.
Calories Burned Calculator
Estimate calories burned from activity, duration and body weight.
Training
Calculate pace, target heart rate and maximum load for training.
Running Pace Calculator
Calculate running pace in minutes and seconds per kilometre from distance covered and total time.
Target Heart Rate Calculator
Estimate a target heart-rate zone to guide workout intensity.
One Rep Max Calculator
Estimate your one-rep maximum from a weight and repetitions actually completed.