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Protein for Weight Loss: Daily Range Calculator

Get your daily protein target as an honest low-high range in grams, based on your body weight and activity goal — plus food equivalents, right in your browser.

This tool gives general, evidence-based ranges — not medical advice. Consult a doctor or registered dietitian for guidance specific to your health, kidney function or medical conditions.

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Reading your data
Applying evidence-based ranges
Preparing your protein range

Result

This page opens the protein intake calculator with the weight-loss goal preselected: a daily range of 1.6-2.2 grams of protein per kilogram of body weight, higher than the general-fitness range because eating in a calorie deficit puts muscle at extra risk.

Research on protein needs during weight loss consistently finds that higher intakes — toward the top of this range — help preserve lean mass while the deficit removes fat, so more of the weight lost on the scale is actually fat rather than muscle. This matters most when the deficit is aggressive or when resistance training is part of the plan.

Enter your body weight to get your personal gram range, then check the food equivalents to see what that looks like on a plate. This site's calorie calculator can help set the size of your deficit before you split the remaining calories into protein, carbs and fat.

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Accepted Formats & Rules

  • Body weight in kg or lb with five activity/goal presets from sedentary to endurance training
  • Daily protein range in grams, plus the g-per-kg formula shown in full
  • Food equivalents table (chicken breast, eggs, Greek yogurt) based on the midpoint of your range

Key Benefits

✓ An honest range, not a fake-precise single number: individual protein needs vary, so the result is always low-high grams per day.
✓ Grounded in published guidance: the RDA baseline for sedentary adults and the ISSN position stand range used for exercising adults.
✓ Food equivalents turn the abstract gram number into real servings of chicken, eggs and Greek yogurt so you can picture your day.

Use Cases

  • • Find out how much protein you actually need per day as an honest low-high range instead of a fake-precise single number.
  • • Check the higher end of the range while cutting calories, since research on weight loss favors more protein to help preserve muscle.
  • • Plan a muscle-gain diet around the ISSN-backed 1.6-2.2 g/kg range instead of guessing at a round number.
  • • See your target converted into real food — chicken breasts, eggs or Greek yogurt — instead of just an abstract gram count.