How does the Protein Needs Calculator work?

Base: 0.8 g/kg/day for sedentary adults Then: Athletes: 1.2-2.0 g/kg/day Then: Renal disease: reduced; hepatic disease: careful adjustment.

Can you give an example of how to use the Protein Needs Calculator?

Example: Input 70 kg athlete in strength training gives a result of Protein needs = 85-140 g/day (1.2-2.0 g/kg).

Is the Protein Needs Calculator free to use?

Yes — completely free with no registration, download, or subscription required. All calculations happen instantly in your browser.

How accurate is the Protein Needs Calculator?

Our Protein Needs Calculator uses verified mathematical formulas and is accurate to multiple decimal places. Results are calculated in real-time using the same methods used by professionals.

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Protein Needs Calculator

Daily Protein Needs

Weight (kg)

Condition (0=RDA, 1=light, 2=mod, 3=intense, 4=recovery, 5=CKD)

Protein requirements vary by age, sex, activity, and health condition. Calculating needs ensures adequate intake for muscle and immune function.

Difficulty:beginner

References

›Protein Needs — Wikipedia

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