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Protein Intake Calculator
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How it is calculated
- Protein (g/day) = body weight (kg) × g/kg factor
- RDA 0.8 g/kg; ISSN 1.4–2.0 g/kg for exercisers
Estimates only — not medical advice.
FAQ
How much protein do I need per day?
The RDA for adults is 0.8 g per kg (0.36 g per lb). People who train regularly benefit from about 1.4–2.0 g/kg, according to the International Society of Sports Nutrition.
Can you eat too much protein?
For healthy people intakes up to around 2 g/kg are considered safe. If you have kidney disease, follow your doctor's advice.
Should I use my current or goal weight?
If you carry a lot of excess body fat, using your goal or lean weight gives a more realistic target.
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