How To Calculate BMR - BMR Formula

How to calculate BMR? If you wish to calculate BMR yourself, below are the BMR formulas for both English units and metric units. This formula is called the Harris-Benedict equation and was first published in 1919.

Metric Units
Male: BMR = 66.4730 + 13.7516 x Weight (kg) + 5.0033 x Height (cm) - 6.7550 x Age (year)
Female: BMR = 655.0955 + 9.5634 x Weight (kg) + 1.8496 x Height (cm) - 4.6756 x Age (year)

English Units
Male: BMR = 66.4730 + 6.2377 x Weight (lb) + 12.7084 x Height (in) - 6.7550 x Age (year)
Female: BMR = 655.0955 + 4.3379 x Weight (lb) + 4.6980 x Height (in) - 4.6756 x Age (year)

Examples 1: A 40-year-old man who is 170 cm and weights 60 kg has a BMR of

BMR Calculation = 66.4730 + 13.7516 x 60 + 5.0033 x 170 - 6.7550 x 40 = 1,472 Calories

Example 2: A 35-year-old woman who is 5'5" and weights 130 pounds has a BMR of

BMR Calculation = 655.0955 + 4.3379 x 130 + 4.6980 x (5 x 12 + 5) - 4.6756 x 35 = 1,361 Calories

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