Health & Fitness
Protein Calculator - Daily Protein Intake
Estimate daily protein intake based on weight and activity level.
Formulas and edge cases are reviewed against authoritative references before publication. For methodology, editorial standards, or corrections, use the links below.
Frequently asked questions
How much protein do I need?
It depends on activity level. Use the calculator for a quick estimate.
Does this use lbs or kg?
You can choose kilograms or pounds. The formula converts to grams.
Is more protein always better?
Not necessarily. Match protein intake to your goals and health needs.
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About this tool
This Protein Calculator turns your inputs into practical results. Provide Weight, Activity, and Unit to calculate Recommended protein.
Adjust values to compare scenarios and see how sensitive the result is. The calculation uses the numbers as entered, so double-check units and expect small differences from rounding in the displayed totals.