Mifflin-St Jeor Equation

Jun 8 2021

Mifflin-St Jeor Equation

What is the Mifflin-St Jeor Equation?

This equation is one of the most accurate methods for determining your caloric needs.

How to calculate the Mifflin-St Jeor Formula

Formula for Men RMR = 9.99 x weight (kg) + 6.25 x height (cm) – 4.92 x age (yrs.) + 5
Formula for Women RMR = 9.99 x weight (kg) + 6.25 x height (cm) – 4.92 x age (yrs.) – 161


First convert pounds to kilograms by dividing by 2.2.

Next, convert the inches to centimeters by multiplying by 2.545. For the most part, all moderately active people are generally advised to consume about 1.5 to 1.7 times the calculated resting metabolic rate (RMR).

Mifflin-St Jeor Equation Example

RMR= 2,180 calories per day (200 pound 43-year-old male):
RMR= 9.99 x weight (100 kg) + 6.25 x height (222 cm) – 4.92 x age (43 yrs.) + 5

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