How to Calculate Protein Intake
What is Protein Intake?
Protein is the macronutrient responsible for building and repairing muscle, enzymes, hormones, and immune cells. Daily protein requirements vary significantly with activity level — sedentary adults need less than athletes in training.
Step-by-Step Guide
- 1Sedentary adults: 0.8g per kg body weight (RDA minimum)
- 2Recreational exercisers: 1.2–1.6g per kg
- 3Strength training / muscle building: 1.6–2.2g per kg
- 4Endurance athletes: 1.4–1.8g per kg
- 5Weight loss while preserving muscle: up to 2.4g per kg
Worked Examples
Frequently Asked Questions
What is Protein Intake?
Protein is the macronutrient responsible for building and repairing muscle, enzymes, hormones, and immune cells. Daily protein requirements vary significantly with activity level — sedentary adults need less than athletes in training
How accurate is the Protein Intake calculator?
The calculator uses the standard published formula for protein intake. Results are accurate to the precision of the inputs you provide. For financial, medical, or legal decisions, always verify with a qualified professional.
What units does the Protein Intake calculator use?
This calculator works with kilograms, inches, watts. You can enter values in the units shown — the calculator handles all conversions internally.
What formula does the Protein Intake calculator use?
The calculator applies the standard formula for this type of calculation. See the 'How It Works' steps above for the detailed formula breakdown.
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