Nutrition
Protein Calculator
Find the optimal daily protein intake for muscle gain, fat loss or general health.
How the Protein calculator works
Find the optimal daily protein intake for muscle gain, fat loss or general health.
Every result on MacroMatrixCalc is based on peer-reviewed equations and adjustable for goal, sex, age and activity. Use the form above to update your numbers — results recalculate instantly so you can compare scenarios.
Frequently asked questions
In healthy adults there is no evidence that intakes up to 2.5 g/kg cause harm.
Recommended products
Curated supplements and gear for this calculator will appear here soon.