Health Calculators

BMI Calculator

Calculate your Body Mass Index from weight and height, with category and formula.

BMR Calculator

Calculate your Basal Metabolic Rate and daily calorie needs using the Mifflin-St Jeor formula.

Body Fat Percentage Calculator

Estimate your body fat percentage using the US Navy circumference method.

Ideal Weight Calculator

Estimate your ideal body weight from height using the Devine formula.

Calories Burned Calculator

Estimate calories burned for walking, running, cycling and other activities.

Water Intake Calculator

Calculate your recommended daily water intake based on body weight.

Target Heart Rate Calculator

Calculate your maximum heart rate and target training zones by age.

Waist-to-Hip Ratio Calculator

Calculate your waist-to-hip ratio and cardiovascular risk category.

Running Pace Calculator

Calculate your running pace per km and per mile from distance and time.

One-Rep Max Calculator

Estimate your one-rep max from a weight and rep count.

VO2 Max Calculator

Estimate your VO2 max from resting and maximum heart rate.