Health & fitness
Macronutrients
Split a daily calorie target into carbohydrate, protein and fat grams.
Calculators / Health & fitness / Protein intake
Protein intake calculator
Calculate a protein target from body weight and a chosen grams-per-kilogram factor.
On this page
Protein target84G/day
Calculator controls
How to calculate
Calculate a protein target from body weight and a chosen grams-per-kilogram factor.
Protein target = weight*factor
Worked example
Body weight (kg): 70; Protein factor (g/kg): 1.2.
Protein target: 84 g/day.
Assumptions and limits
Choose a factor appropriate to age, activity, goals and health. Kidney disease and other conditions require professional advice.
Results are rounded for display; calculations use unrounded values. Read our calculation methodology.
Understanding the result
Calculate a protein target from body weight and a chosen grams-per-kilogram factor. The displayed figures use the inputs and formula shown on this page.
When this tool is useful
Use the protein intake to compare a scenario, check an estimate, or verify a manual calculation.
Understanding your inputs
| Input | What to enter |
|---|---|
| Body weight (kg) | Enter a number of at least 0.000001 and no more than 1000000000000. |
| Protein factor (g/kg) | Enter a number of at least 0.1 and no more than 5. |
Frequently asked questions
What should I check before using the protein intake result?
Choose a factor appropriate to age, activity, goals and health. Kidney disease and other conditions require professional advice.
Is this protein intake result exact?
It is exact for the stated mathematical model and entered values. Real-world results can differ when rates, timing, fees, definitions or measurement conditions differ.