Protein Calculator

Calculate how much protein you need daily based on your weight, age, gender, and activity level. Protein requirements differ significantly depending on your goals and lifestyle.

Your details
Daily protein target
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Daily protein reference chart
Group Age Sedentary Moderate Active / Athletic
Boys4โ€“819g25g30g
Girls4โ€“819g24g28g
Boys9โ€“1334g45g55g
Girls9โ€“1334g42g50g
Teen boys14โ€“1852g70g90g
Teen girls14โ€“1846g60g78g
Men19โ€“5056g100โ€“140g140โ€“200g
Women19โ€“5046g80โ€“110g110โ€“160g
Men51+60g110โ€“150g140โ€“190g
Women51+50g85โ€“120g110โ€“150g
Pregnant womenAny71g min100โ€“120g120โ€“150g
Best protein foods โ€” protein per 100g
FoodTypeProtein per 100g
Chicken breast (cooked)Animal31g
Tuna (canned)Animal30g
Turkey breastAnimal29g
Salmon (cooked)Animal25g
Eggs (whole)Animal13g (6g per egg)
Greek yoghurtAnimal10g
Lentils (cooked)Plant9g
Chickpeas (cooked)Plant9g
Tofu (firm)Plant8g
EdamamePlant11g
AlmondsPlant21g
Pumpkin seedsPlant19g

How protein is calculated

Protein needs are based on body weight ร— a multiplier determined by activity level and goals:

  • Sedentary: 0.8g per kg
  • Moderate: 1.2โ€“1.6g per kg
  • Active: 1.6โ€“2.0g per kg
  • Muscle building: 1.8โ€“2.2g per kg
  • Weight loss: 1.6โ€“2.0g per kg (preserve muscle)

Signs you need more protein

  • Constant hunger after meals
  • Slow recovery after exercise
  • Hair thinning or loss
  • Frequent illness
  • Muscle loss or weakness
  • Poor wound healing
  • Brittle nails
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How this calculator works

Calculators use published equations and reference ranges. These are the sources behind them.