Health and fitness calculators
Compute essential body metrics and calorie requirements securely on your device. None of your inputs are saved or sent to a server. All math runs locally in your browser, powered by standard clinical formulas.
★Most popular
4 toolsBMI
Quick weight category check based on height and weight. Returns BMI score, category, and healthy weight range.
BMR
Calories your body burns at complete rest using the Mifflin-St Jeor equation. The foundation of any meal plan.
TDEE
Daily maintenance calories based on activity level. Includes cut and bulk targets for goal-specific planning.
Calorie Deficit
Project weight loss timeline from your daily deficit. Shows weeks to lose 1, 5, and 10 kg based on your TDEE.
Body Composition
BMI, body fat, and ideal weight tools.
BMI Calculator
Quick weight category check based on height and weight. Returns BMI score, category, and healthy weight range.
Body Fat Calculator
Body fat percentage from circumference measurements using the U.S. Navy protocol. Returns body fat percent and category.
Ideal Weight Calculator
Healthy weight range using four classic clinical formulas, adjusted for body frame size.
Energy & Calories
BMR, TDEE, and weight loss timeline.
BMR Calculator
Calories your body burns at complete rest using the Mifflin-St Jeor equation. The foundation of any meal plan.
TDEE Calculator
Daily maintenance calories based on activity level. Includes cut and bulk targets for goal-specific planning.
Calorie Deficit Calculator
Project weight loss timeline from your daily deficit. Shows weeks to lose 1, 5, and 10 kg based on your TDEE.
Macros & Diet
Macro split, protein, and hydration targets.
Macro Calculator
Daily protein, carb, and fat targets based on your TDEE, goal, and preferred diet approach (balanced, high protein, low carb, keto).
Protein Calculator
Daily protein intake in grams based on body weight, activity level, and fitness goal.
Water Intake Calculator
Daily water requirement in liters, ounces, and glasses based on body weight, activity, and climate.
Looking for restaurant nutrition?
We also have 100 restaurant chains with 16,258 menu items indexed. Each restaurant has its own nutrition calculator with search, filters, an auto meal generator, and a meal builder with shareable links.
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