FREE TOOLS
🧮 All Nutrition Calculators
20+ free calculators for calories, macros, protein, body fat and more. No sign-up. No data stored. Instant results.
Calorie Calculators
Find your daily calorie needs and create the right deficit or surplus for your goal.
Most popular
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TDEE Calculator
Total Daily Energy Expenditure — how many calories you burn every day
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Calorie Deficit Calculator
How many calories to eat to lose weight safely
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BMR Calculator
Calories your body burns at complete rest
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Calories Burned Calculator
Calories burned for 30+ exercises and daily activities
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Running Calorie Calculator
Exact calories burned running by weight, speed and distance
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Walking Calorie Calculator
Calories burned walking — includes steps to calories conversion
Weight Calculators
Calculate your weight loss or gain timeline, body fat and ideal weight.
Popular
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Weight Loss Calculator
How long to reach your goal weight at any calorie deficit
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Weight Gain Calculator
Calorie surplus and timeline to reach your goal weight
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Ideal Weight Calculator
Your healthy weight range using 4 medical formulas
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BMI Calculator
Body Mass Index with category classification
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Body Fat Calculator
Estimate body fat % using the US Navy circumference method
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Lean Body Mass Calculator
Your fat-free mass using Boer, James and Hume formulas
Nutrition & Macro Calculators
Set your protein, carb and fat targets for any goal.
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Macro Calculator
Protein, carbs and fat targets based on your TDEE and goal
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Macro Calculator for Weight Loss
High-protein macro split optimised for fat loss
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Protein Calculator
How much protein you need daily based on weight and activity
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Keto Calculator
Net carbs, protein and fat targets for a ketogenic diet
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Water Intake Calculator
Daily hydration target based on weight, activity and climate
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Intermittent Fasting Calculator
Fasting and eating windows for 16:8, 18:6, 20:4 and 5:2
Fitness Calculators
Tools for training, performance and specific health situations.