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Sustainable fat loss with science

Lose Weight

Calculate your calorie deficit, macros, and track progress with tools designed for healthy, lasting weight loss.

Recommended tools for this goal

A curated selection of calculators for this goal.

Body Comp

BMI Calculator

Free BMI calculator with NIH health categories, body fat estimate, and ideal weight range. Instant results, mo...

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Metabolism

BMR Calculator

Calculate your Basal Metabolic Rate (BMR) using the Mifflin-St Jeor and Harris-Benedict equations. Free BMR ca...

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Metabolism

TDEE Calculator

Calculate your Total Daily Energy Expenditure (TDEE) with activity multipliers. Free TDEE calculator showing m...

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Macros

Calorie Deficit Calculator

Calculate your ideal calorie deficit for safe, sustainable weight loss. Free calculator with personalized dail...

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Macros

Macro Calculator

Calculate your optimal daily macronutrient split (protein, carbs, fat) based on your goals. Free macro calcula...

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Body Comp

Body Fat Calculator

Calculate your body fat percentage using the U.S. Navy circumference method. Free body fat calculator with lea...

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Macros

Protein Calculator

Calculate your daily protein needs based on body weight, activity level, and goals. Free protein calculator wi...

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Metabolism

Water Intake Calculator

Calculate your optimal daily water intake based on body weight, activity, and climate. Free hydration calculat...

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Body Comp

Ideal Weight Calculator

Find your ideal body weight using Devine, Hamwi, Miller, and Robinson formulas. Free ideal weight calculator w...

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Body Comp

Waist-to-Hip Ratio

Calculate your waist-to-hip ratio (WHR) to assess abdominal fat and metabolic risk. Free WHR calculator with W...

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Metabolism

Calories Burned Calculator

Calculate calories burned for 100+ exercises using MET values, body weight, and duration. Free exercise calori...

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Macros

Carb Calculator

Calculate your optimal daily carbohydrate intake based on activity, goals, and dietary preference. Free carb c...

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Macros

Fat Calculator

Calculate your optimal daily fat intake based on calories, goals, and dietary preference. Free fat calculator ...

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Macros

Fiber Calculator

Calculate your daily fiber needs based on calories and age. Free fiber calculator with food sources and tips t...

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Macros

Sugar Calculator

Calculate your daily sugar limit based on AHA and WHO guidelines. Free sugar calculator with hidden sugar sour...

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Fitness

Heart Rate Calculator

Calculate your heart rate training zones (fat burn, cardio, peak) using the Karvonen formula. Free heart rate ...

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Metabolism

RMR Calculator

Calculate your Resting Metabolic Rate (RMR) with Mifflin-St Jeor and Katch-McArdle formulas. Free RMR calculat...

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