Protein Intake Calculator
A free, browser-based calculator. Runs entirely in your browser — no sign up, nothing stored.
100% FreeRuns in your browserBasic
Enter Values
Enter your values and press Calculate to see results.
How to use this calculator
- Enter your body weight.
- Optionally set grams per kg, then Calculate.
How it works
Multiplies body weight by a grams-per-kg target (default 1.6 g/kg). Active people often use 1.6–2.2 g/kg.
Worked example
80 kg at 1.6 g/kg. = 128 g a day.
Related tools
Tip: Enter any known values to calculate the remaining results.
All calculations run in your browser. Your inputs are never saved or transmitted.