Protein Calculator

Daily Protein Needs by Body Weight

Looking for a quick answer for your weight? The table below shows daily protein targets at common body weights — a lower range for general health and a higher range if you train…

Calculate Your Protein Intake

Looking for a quick answer for your weight? The table below shows daily protein targets at common body weights — a lower range for general health and a higher range if you train regularly or are dieting to lose fat.

Body weightGeneral health (0.8–1.0 g/kg)Active or dieting (1.6–2.2 g/kg)
50 kg (110 lb)40–50 g80–110 g
60 kg (132 lb)48–60 g96–132 g
70 kg (154 lb)56–70 g112–154 g
80 kg (176 lb)64–80 g128–176 g
90 kg (198 lb)72–90 g144–198 g
100 kg (220 lb)80–100 g160–220 g

For a target tailored to your exact weight, age and goal, use the calculator above.

Quick Reference

  • General health (sedentary): 0.8–1.0 g/kg body weight
  • Weight loss: 1.6–2.2 g/kg to preserve muscle in a deficit
  • Muscle gain: 1.8–2.5 g/kg depending on training experience
  • Athletic performance: 2.0–3.1 g/kg
  • Spread intake across 4–5 meals of 25–40g each for best results

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Frequently Asked Questions

Most adults need between 0.8g and 2.2g of protein per kilogram of body weight per day, depending on activity level and goals. Sedentary adults need less, while those building muscle or in a calorie deficit need more to preserve lean mass.