Protein Intake Calculator
Estimate daily protein range from body weight and training goal.
Advanced inputs+
How this works
Uses evidence-based grams-per-kilogram ranges: 0.8-1.6 g/kg for maintenance and 1.6-2.2 g/kg for fat loss or muscle gain.
Medical disclaimer
Educational tool only — not medical advice. Consult a qualified provider.
Frequently asked questions
What does the Protein Intake Calculator estimate?+
It estimates daily protein range from body weight and goal. The result is a planning estimate, not a diagnosis or personal medical advice.
How accurate is this protein intake result?+
Accuracy depends on the inputs and the limits of the formula. Use the result as a reference point and compare it with real-world outcomes over time.
Can I share my result?+
Yes. Change the inputs, use the copy-link button, and the current values are preserved in the URL for reopening or sharing.
Will my last input be remembered?+
Yes. The calculator saves the latest inputs in this browser so a reload can restore the most recent values.
Should I use this for medical decisions?+
No. These calculators are educational tools. Talk with a qualified clinician before making health, pregnancy, nutrition, or training decisions.