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.
Related tools
About this tool
Inputs
- Weight
- Unit
- Activity
Results
- Recommended protein
Figuring out estimate daily protein intake based on weight and activity level no longer requires manual arithmetic. The Protein Calculator walks you through the math step by step. All you need to supply is weight, unit and activity. From there, the tool determines recommended protein. Reference ranges published by organizations like WHO and NIH apply to general adult populations and may not suit everyone. BMI divides weight in kilograms by the square of height in meters (kg/m²).
Whether you need to estimate daily protein intake based on weight and activity level for a quick check or a thorough analysis, this tool adapts to both. Consider multiple indicators together rather than focusing on a single number. It depends on activity level. Use the calculator for a quick estimate. Experiment with different inputs to compare scenarios. Seeing how the result shifts tells you which factors matter most.