Weight Loss & Nutrition Calculators

Free calculators to support your weight loss journey. Calculate your BMI, daily calories, protein needs, and metabolic rate.

BMR & TDEE Calculator

Calculate your basal metabolic rate and daily energy expenditure. Find the right calorie deficit for weight loss.

BMI Calculator

Calculate your body mass index and see which category you fall into. Understand the significance and limitations of BMI.

Protein Calculator

Calculate your daily protein needs based on your goal: weight loss, maintenance, or muscle gain.

Calorie Calculator

Calculate your daily calorie needs and macro split. Get personalized gram amounts for protein, carbohydrates, and fats.

Body Fat Calculator

Estimate your body fat percentage using the U.S. Navy tape measure method. More useful than BMI for tracking real progress.

Find out why weight loss hasn't worked — and what to do differently this time.