Protein Intake Calculator

Estimate your daily protein need in grams from body weight and activity goal.

Quick answer: Protein Intake Calculator: Estimate your daily protein need in grams from body weight and activity goal. Everything runs in your browser, so nothing you enter is uploaded or stored.

How to use Protein Intake Calculator

  1. Enter your values in the fields.
  2. The results update instantly as you type.
  3. Note or copy the numbers you need.

Features

Frequently asked questions

How much protein do I need?

General guidance is 0.8 g per kg for adults. Active people and those building muscle often use 1.4 to 2.0 g per kg.

Is more always better?

No. Very high intake is not needed for most people. Ask a doctor if you have kidney problems.

Is the Protein Intake Calculator free?

Yes. It is free, needs no signup and works on any device.

More free tools