Fitness & Health

BMI, calories, body fat, pace, heart rate, and training tools.

tools

Popular in this category

Free BMI calculator to check body mass index from height and weight in metric or US units.

Daily calorie calculator for weight loss, maintenance, or gain based on BMR and activity level.

Estimate body fat percentage with the US Navy circumference method using neck, waist, and hip measurements.

Basal metabolic rate calculator using the Mifflin–St Jeor equation for men and women.

Ideal body weight calculator using the Devine formula based on height and sex.

Running pace calculator — convert distance and finish time into pace per kilometer and speed.

Army / DoD body fat calculator using the circumference method for men and women.

Lean body mass calculator using the Boer formula or weight minus body fat percentage.

Healthy weight range calculator based on BMI 18.5–24.9 for your height.

Calories burned calculator using MET values for walking, running, cycling, lifting, and more.

One-rep max calculator using the Epley formula, plus training percentages.

Target heart rate zone calculator using the Karvonen formula from age and resting HR.