Free Fitness & Supplement Calculators

Calculate your individual protein needs, optimal creatine dosage, daily calories and much more — science-based and completely free.

Your Personalized Fitness Plan in 5 Minutes

Take the free Fitness Checkup now and get your personalized plan — with calories, macros, supplement recommendations and PDF download.

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Fitness Checkup

Your complete fitness check in 5 minutes. Get a personalized plan with calories, macros, supplements and PDF download.

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Protein Calculator

How much protein do you really need? Calculate your daily requirement based on weight, goal and activity level.

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Creatine Calculator

Loading phase or maintenance? Find the perfect creatine dose for your body weight and training goals.

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Supplement Cost Calculator

What do your supplements really cost per month and year? Compare prices and find savings potential.

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Cold Plunge ROI Calculator

Is an ice bath worth the investment? Calculate the break-even point and your savings over 1, 3 and 5 years.

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Calorie & Macro Calculator

Calculate your daily calorie needs and optimal macro distribution using the Mifflin-St Jeor equation.

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Stack Builder

Build your personalized supplement stack based on your goal, budget and experience level.

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Body Fat Calculator

Calculate your body fat percentage using the Navy method or caliper measurement. With category rating and reference values.

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