Body & Nutrition

Check BMI, BMR, TDEE, calorie needs, macros, body fat percentage, lean body mass, and ideal weight for diet planning and fitness goals.

Calculators in this category

  • BMI Calculator — Calculate BMI from height and weight and view the standard range.
  • BMR Calculator — Estimate how many calories your body burns at rest.
  • Body Fat Calculator — Estimate body fat percentage with standard body measurements.
  • Ideal Weight Calculator — Check a healthy weight range using common formulas.
  • Lean Body Mass Calculator — Estimate fat-free body mass from your measurements.
  • Calorie Calculator — Estimate daily calories for maintenance, loss, or gain.
  • TDEE Calculator — Work out total daily calories based on activity level.
  • Macro Calculator — Turn a calorie target into protein, carb, and fat goals.
  • Body Surface Area (BSA) Calculator — Compute Body Surface Area in m² using DuBois, Mosteller, Haycock and more -- standard for medication and chemotherapy dosing.
  • Daily Water Intake Calculator — Find out exactly how many litres of water you should drink each day based on weight, activity and climate.
  • Weight Loss Calculator — Get a personalised calorie target and timeline to reach your goal weight safely without crash dieting.
  • Protein Calculator — Find your daily protein requirement based on body weight, activity level, and fitness goal.
  • Calories Burned Calculator — Estimate how many calories you burn during walking, running, cycling, and other activities using MET values.
  • Carbohydrate Calculator — Convert your daily calorie target and carb percentage into grams of carbohydrates per day.
  • Height Calculator — Predict a child's adult height from both parents' heights using the mid-parental formula.
  • Body Type Calculator — Estimate ectomorph, mesomorph, or endomorph body type from wrist circumference, height, and gender.
  • Fat Intake Calculator — Convert daily calories and fat percentage into grams of fat per day for meal planning.
  • Army Body Fat Calculator — Estimate body fat percent from neck, waist, hip, and height tape measurements using the US Army circumference method.