Free tool · Jon Alva Fitness

Find your numbers.

Get your daily calorie target and the protein, carbs and fat to hit it, built on the same formula Coach Jon uses with his clients.

Units
Sex
yrs
lb
ft
in
Goal

Sample numbers shown. Enter yours and the result updates as you type.

Your daily calorie target

—kcal / day

BMR
—
Maintenance
—
Adjustment
—

Your macros

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See your protein, carbs and fat in grams, split by meal. Free, and we'll send you a copy.

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Estimates use the Mifflin-St Jeor equation and standard activity multipliers. They're a starting point, not medical advice. Check with your doctor before major diet changes, especially if you're pregnant, nursing, or managing a health condition.