Protein Calculator

Last updated: July 4, 2026
Reviewed by Dr. Alana Reyes, MD

About this Calculator

Protein is the building block of muscle tissue, enzymes, and skin. Determining your protein target is vital for muscle repair and satiety.

Formula & Calculations

Mathematical Formula

Protein Target = Body Weight * Activity Factor

Activity factor ranges from 0.8g/kg (sedentary) to 2.2g/kg (active training).

How to Calculate Step-by-Step

1

Identify weight

Weight in kilograms.

2

Determine multiplier

Match goal training factor.

How to Use & Best Practices

Provide your weight, activity level, and body composition goal.

Frequently Asked Questions

Can I eat too much protein?

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Excess protein is oxidized for energy, but is safe in healthy individuals.

Dr. Alana Reyes, MD, MPH Clinical Reviewer

Dr. Reyes is a board-certified endocrinologist specializing in metabolic health.

Want to learn more about this calculator?

Ask our AI assistant for explanations, formulas, or usage advice.

Protein Calculator

Recommended Protein 112g / day
Protein Energy Equivalent 448 kcal / day
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