About

Our Mission

Free Protein Calculator exists for one reason: to help people understand how much protein they actually need — without the confusion, paywalls, or outdated advice that dominates the internet.

We built a tool that takes peer-reviewed sports nutrition research and turns it into a personalized, actionable recommendation in seconds.

Why We Built This

Protein is the most important macronutrient for body composition, recovery, and long-term health. Yet most people either eat too little or have no idea where to start.

Existing calculators are outdated, hidden behind signups, or give generic one-size-fits-all answers. We wanted something better — a tool that accounts for your activity level, training volume, age, and specific goals.

Our Approach

Every recommendation from our calculator is grounded in published research from respected scientific bodies:

International Society of Sports Nutrition (ISSN) — Position stand on protein and exercise (2017)
American College of Sports Medicine (ACSM) — Joint position on nutrition and athletic performance (2016)
British Journal of Sports Medicine — Systematic review and meta-analysis on dietary protein for resistance training (2018)
Journal of the Academy of Nutrition and Dietetics — Evidence-based protein recommendations for active adults (2016)

What Makes Us Different

100% free — No signup, no premium tier, no hidden fees
Science-based — Every number has a research citation behind it
Personalized — Factors in age, weight, activity, training days, and goals
Fast — Results in under 10 seconds
Private — We don't store your data or require an account

Who We Are

We're a small team of developers and nutrition enthusiasts who believe health information should be free, accurate, and accessible to everyone. We're not doctors or dietitians — we're builders who read the research and translate it into useful tools.

Please read our medical disclaimer — our calculator provides general guidance, not personalized medical advice.

Get in Touch

Have a question, suggestion, or found an error? We'd love to hear from you. Visit our contact page to reach out. You can also browse our frequently asked questions for quick answers about protein intake and how the protein calculator works.