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Calorie Calculator

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Maintain weight
0 Calories/day
Weight loss (0.5 kg/week)
0 Calories/day
Weight gain (0.5 kg/week)
0 Calories/day
[Image of calorie intake vs energy expenditure]

Calorie Calculation Formulas

Mifflin-St Jeor

Men: $BMR = 10W + 6.25H - 5A + 5$
Women: $BMR = 10W + 6.25H - 5A - 161$

Revised Harris-Benedict

Men: $BMR = 13.397W + 4.799H - 5.677A + 88.362$
Women: $BMR = 9.247W + 3.098H - 4.330A + 447.593$

Katch-McArdle

$BMR = 370 + 21.6(1 - F)W$
Note: F is body fat decimal. This formula is best for those who know their body fat %.