Protein Calculator
GoCalc
Calculate your daily protein needs based on weight, activity level, and fitness goals.Updated 2026-03-20
Frequently Asked Questions
How much protein do I need?
0.8g/kg for sedentary, 1.2-1.6g/kg for active, up to 2.2g/kg for athletes.
When should I eat protein?
Spread intake across meals. Post-workout protein helps muscle recovery.
Is this free?
Yes, completely free with no signup.
How to Use
- Try different values to compare
- Save or print the results
- Review the step-by-step explanation
- Fill in the required values above
FAQ
What if I get an unexpected result?
Double-check your input values and units. The tool validates inputs and shows error messages.
Can I save my calculations?
Results can be copied to clipboard. Use the Copy or Print button for a permanent record.
Are results suitable for professional use?
Provides accurate results based on standard formulas. For critical decisions, consult a professional.
Can I compare different scenarios?
Adjust the inputs and recalculate to compare different scenarios side by side.
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