Protein Calculator

Tell us your height, weight, and age, and find out the recommended protein intake for your daily diet. We also offer specific information for physically active people.

Recommended protein intake:
USDA Dietary Guideline (2020) - 10-30% energy:
  • 71–213 grams (284–852 kcal)
WHO/FAO (2007) - 0.83 g/kg body weight:
  • 54 grams (216 kcal)
American Dietetic Association (ADA): at least 65 - 117 grams/day
Centers for Disease Control and Prevention (CDC): 51 - 177 grams/day (10-35% of daily caloric intake)
World Health Organization safe lower limit: 54 grams/day

About Protein Calculator

Protein is an essential macronutrient vital for building muscle, repairing tissues, and supporting overall immune function. Our Protein Calculator evaluates your body metrics, age, sex, and activity levels to estimate your daily caloric expenditure (TDEE) and provide personalized protein intake recommendations based on leading health guidelines from the USDA, WHO, ADA, and CDC.

Whether you are maintaining general health, losing weight, or building muscle through sports, knowing your precise daily protein requirement helps you optimize your nutrition plan effectively.