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Protein Needs Calculator

Protein needs calculator — daily protein target by body weight and activity, from sedentary RDA to bodybuilder ranges.

Protein Needs

Daily protein target by activity goal

Daily protein112 g
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About this tool

Compute daily protein intake target based on body weight and activity goal. Pick the g/kg multiplier that matches your training.

Formula

Protein (g/day) = BodyWeight (kg) × g/kg multiplier

Worked example

70 kg at 1.6 g/kg (general fitness) → 112 g/day.

Notes

Recommended ranges (per ISSN/ACSM): Sedentary 0.8 g/kg, Active 1.2–1.6, Strength 1.6–2.2, Cutting 1.8–2.4. Pregnant/lactating women need more.