Protein Intake Calculator
Recommended daily protein for your body weight and activity
Use this when you need a fast, accurate result — no sign-up, works entirely in your browser.
Daily protein (g)—
Per meal (3 meals)—
How to Use
- Enter your details into the fields above.
- Click the calculate button to get your result instantly.
- Use the clear button to start a new calculation.
Example
- Active person, 70 kg → ~112 g/day, about 37 g/meal over 3 meals
- 70 kg, active → ≈ 112 g/day (≈ 37.3 g per meal)
Formula
Daily protein (g) = body weight (kg) × multiplier, where multiplier depends on activity: 0.8 (sedentary), 1.2 (moderate), 1.6 (active), 2.0 (athlete).
About Protein Intake Calculator
Recommended daily protein for your body weight and activity. This free online tool gives you fast, accurate results without registration or downloads.
Everything runs locally in your browser, so your data is never uploaded or stored — privacy first.
Frequently Asked Questions
Is this tool free to use? +
Yes, it is completely free with no registration or download required.
Is my data private? +
Yes. Everything is processed locally in your browser. Nothing is uploaded or stored on our servers.
Does it work on mobile? +
Yes, it works on any device — phone, tablet, or desktop.