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Free nutrition calculators

Quick, free calculators for everyday nutrition planning — no sign-up, no email. Built by the team behind NutraPlanner.

Calorie calculator

Find your daily calories to lose, maintain, or gain weight.

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TDEE calculator

Estimate the calories you burn in a day from your stats and activity level.

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Macro calculator

Split a daily calorie target into grams of protein, carbs, and fat.

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Protein calculator

Estimate a daily protein target in grams from your weight and goal.

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Body-fat calculator

Estimate body-fat percentage from a few tape measurements.

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Water intake calculator

Estimate how much water to drink per day.

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BMI calculator

Find your Body Mass Index and weight category from height and weight.

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Ideal weight calculator

Ideal and adjusted body weight (Devine formula).

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Plan meals around these numbers

NutraPlanner turns targets like these into branded meal plans for your clients — or yourself.

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