Nutrition Calculators

Use these calculators to estimate adult nutrition and fitness numbers such as calories, macros, TDEE, and BMI. Results are estimates only and are not medical advice.

For adults 18+ only. Results are estimates and may not reflect individual needs. These tools are not intended for children, teens, pregnancy, eating disorder recovery, or medical conditions.

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BMI Calculator

Calculate your Body Mass Index from your height and weight.

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TDEE Calculator

Estimate your Total Daily Energy Expenditure (BMR × activity level).

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Macro Calculator

Get a suggested protein, carb, and fat split based on your daily calorie target and goal.

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Calorie Calculator

Estimate your daily calorie needs based on your body stats, activity level, and goal.

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Which calculator should I use?

Macro Calculator Estimates protein, carbs and fat targets.
Calorie Calculator Estimates daily calorie needs.
TDEE Calculator Estimates total daily energy expenditure.
BMI Calculator Estimates adult BMI screening value.

These estimates are for educational purposes only and are not medical advice.