Calorie Calculators

Our free calorie calculators use the Harris-Benedict, Mifflin-St Jeor and Katch-McArdle equations, taking into account your weight, height, age, and activity level.

Download our FREE workout and nutrition tracking mobile app - Synrgetic. It includes a built-in calorie calculator that gives results you can use when tracking your nutrition in the app. Available on iOS and Android.

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It is important to note that these calculators only provide estimates and the actual caloric requirement for you could be different from their results.

Contact us if you'd like guidance with nutrition, as we offer that as part of our personal training and online coaching services.

This equation calculates a person's basal metabolic rate (BMR), which is the number of calories needed to sustain basic bodily functions at rest.

years

Activity level:

Protein level:

This equation is similar to the Harris-Benedict equation, but it's considered to be more accurate.

years

Activity level:

Protein level:

This equation calculates a person's resting energy expenditure (REE) using lean body mass (LBM) instead of weight. It's considered to be more accurate for people with a high muscle mass.

%

Activity level:

Protein level: