BMI calculator
BMI compares your weight to your height. It is a quick screening number, not a measure of body fat — muscular people can...
Body fat calculator
Uses the U.S. Navy circumference method — only a tape measure needed. Measure the waist at the navel, the neck below the...
Calories burned calculator
Based on MET values from the Compendium of Physical Activities: calories = MET × body weight (kg) × time (hours).
Daily calorie calculator
We estimate your basal metabolic rate with the Mifflin-St Jeor equation, multiply it by your activity level (TDEE), then...
One-rep max calculator
Enter a weight and how many clean reps you did with it. We average the Epley and Brzycki formulas and show training perc...
Grip strength calculator
Grip strength measured with a hand dynamometer is linked to overall strength and healthy ageing. Compare your best readi...