Fitness & Health Calculators

BMI, BMR, calorie needs, body fat and fitness tools.

BMI Calculator

Calculate your Body Mass Index and find your healthy weight range.

Calculate your Basal Metabolic Rate and daily calorie needs by activity level.

Estimate body fat percentage using the US Navy tape measurement method.

Calculate Body Surface Area for medical dosing using the Mosteller or DuBois formula.

Calculate daily calorie needs for weight loss, maintenance, or muscle gain.

Find your recommended daily water intake based on weight and activity.

Calculate running pace, finish time, or distance from any two known values.