Compare calculators
Both calculators run independently — change the inputs on either side to compare results.
Nutrition
Daily Protein Intake Calculator
Calculates how many grams of protein to eat per day based on your body weight and how active you are. It scales recognised grams-per-kilogram guidelines so you get a target suited to sedentary living, general fitness, or serious strength and endurance training.
Nutrition
Protein Requirement Calculator
Estimate daily protein needs in grams from body weight and activity level. Designed to scale recommendations from the WHO baseline (~0.8 g/kg for sedentary adults) upward for active people, athletes, and those building or preserving muscle.
Key differences
| Daily Protein Intake Calculator | Protein Requirement Calculator | |
|---|---|---|
| Category | Nutrition | Nutrition |
| Inputs required | 2 | 2 |
| Result | Daily Protein Target (g/day) | Daily Protein Requirement (grams) |
| What it does | Calculates how many grams of protein to eat per day based on your body weight and how active you are. It scales recognised grams-per-kilogram guidelines so you get a target suited to sedentary living, general fitness, or serious strength and endurance training. | Estimate daily protein needs in grams from body weight and activity level. Designed to scale recommendations from the WHO baseline (~0.8 g/kg for sedentary adults) upward for active people, athletes, and those building or preserving muscle. |