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Protein Calculator

Calculate your daily protein target using RDA, ISSN and lean body mass methods.

Weight

Unit

Age

Gender

Activity Level

Goal

Body Fat % (optional — enables Lean Mass method)

Recommended Daily Protein

Per Meal (÷4)

Per kg body weight

Formula Comparison

RDA (0.8 g/kg) — minimum

Lean Mass Method (2.0 g/kg lean)

Per lb body weight:

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About Protein Calculator

Our free Protein Calculator helps you run quick, accurate calculations for everyday financial and mathematical needs with just a few inputs. Calculate your daily protein target using RDA, ISSN and lean body mass methods. Enter your values, and the calculator instantly shows detailed results with breakdowns you can understand. No signup, no ads interrupting your workflow — just accurate, reliable calculations you can trust. Works on any device, saves nothing to our servers.

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