Health Calculators
Simple, private health estimates.
BMI Calculator Enter your height and weight to get your BMI, the WHO weight category, and the healthy weight range for your height. BMR Calculator Enter your sex, weight, height and age to estimate the calories your body needs at complete rest. TDEE Calculator Enter your details and activity level to estimate how many calories you burn in a day. Body Fat Calculator Enter a few body measurements to estimate your body fat percentage with the U.S. Navy method. Ideal Weight Calculator Enter your height and sex to see ideal weight estimates from four well-known formulas. Calories Burned Calculator Estimate calories burned during exercise from the activity, your body weight and the duration. Macronutrient Calculator Turn a daily calorie target into grams of carbs, protein and fat using a chosen macro split. Running Pace Calculator Enter a distance and a time to calculate your pace per unit and your speed per hour. One Rep Max Calculator Enter a weight and the reps you completed to estimate your one-rep max and training loads. Water Intake Calculator Estimate your daily water intake from your body weight and exercise, in litres and cups. Heart Rate Zone Calculator Calculate your max heart rate and five training zones from your age, optionally using resting HR. Waist-to-Hip Ratio Calculator Calculate your waist-to-hip ratio and its WHO health-risk band, based on your sex. Blood Alcohol Calculator Estimate blood alcohol concentration from weight, sex, standard drinks and time — for education only.