The calories you expend in a given period of time depend on a variety of factor,s including your activity level, height, weight, age and gender. Your resting energy expenditure, or REE, is the rate at which you lose calories without performing any activity at all. Your REE is essential for designing a weight-loss plan, and you’ll need to recalculate it periodically as you lose weight. You can calculate your REE with gender-specific formulas from the American Journal of Clinical Nutrition.
Step 1
Measure your height with a tape measure that uses inches. Convert your height to centimeters by multiplying it by 2.54. Let your height be 65 inches for this example. Your height is 65 x 2.54 = 165 cm.
Step 2
Weigh yourself with a bathroom scale that uses pounds. Convert your weight to kilograms by dividing it by 2.2. Let your weight be 163 pounds for this example. Your weight is 163 divided by 2.2 = 74.1 kg.
Step 3
Calculate the REE for males. This calculation uses the formula (height x 6.25) + (weight x 9.99) - (age x 4.92) + 5 where your height is in centimeters, your weight is in kilograms and your age is in years. Assume your height is 165 cm, your weight is 74.1kg and your age is 32 years. Your REE is (165 x 6.25) + (74.1 x 9.99) - (32 x 4.92) + 5 = 1,619 calories per day.
Step 4
Figure the REE for females. This calculation uses the formula (height x 6.25) + (weight x 9.99) - (age x 4.92) - 161 where your height is in centimeters, your weight is in kilograms and your age is in years. Assume your height is 165 cm, your weight is 74.1kg and your age is 35 years. Your REE is (165 x 6.25) + (74.1 x 9.99) - (35 x 4.92) - 161 = 1,438 calories per day.
Things You'll Need
- Tape measure
- Bathroom scale
- Calculator
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