Protein Calculator Tools
Welcome to Protein Calculator, your home for free protein tools. Find your daily protein target in seconds, whether your goal is muscle gain, weight loss, athletic performance, or simply eating better. Every calculator below is free and needs no sign-up.
Protein Calculator
How we calculate: your weight in kilograms multiplied by a factor based on activity (1.0 to 1.8 g/kg), plus a small goal adjustment. This is an estimate, not medical advice.
All Protein Calculators
Protein Calculator
Find your daily protein target by weight, activity, and goal.
Protein Calculator By Weight
Daily protein based on body weight in pounds or kilograms.
Daily Protein Intake Calculator
Your personal daily protein number explained.
Protein Calculator For Muscle Gain
Protein targets for building muscle.
Protein Calculator For Weight Loss
Keep muscle while losing fat.
Protein Food Calculator
Protein content of common foods.
Meal Protein Calculator
Total protein in any meal.
Protein Calculator For Women
Personalized targets for women.
Protein Macro Calculator
Split calories into protein, carbs, and fat.
Athlete Protein Calculator
Fuel training and recovery by sport.
Protein Formula Calculator
See the math step by step.
Protein Per Kg Calculator
Grams per kilogram made simple.
Teenager Protein Calculator
Healthy targets for ages 13 to 19.
Protein Tracker Calculator
Log protein through your day.
About Protein Calculator
Protein Calculator is a free resource that helps you find the right amount of protein for your body and your goals. Our tools cover muscle gain, weight loss, athletic performance, and everyday healthy eating.
Every calculator on this site is free to use and needs no sign-up. Just enter a few details and get your personal protein target in seconds.