Mifflin-St Jeor Equation for men: BMR = 10W + 6.25H – 5A + 5.The Mifflin-St Jeor Equation is the most commonly used one for BMR calculators (and the one that the BMR calculator on this page uses).į = body fat percentage (only used in K atch-McArdle Formula) That includes workouts, walking, cleaning etc.The following equations are all validated ways of calculating BMR. Exercise and nonexercise physical activity that represents energy burnt while performing different activities throughout a day.Thermic effect of food (TEF) depends on the composition of food, but can be assumed to equal 10% of TDEE.BMR = 1245.25 kcal/day, which is 65% of the total energy burnt throughout a day.Our graph will help you to visualize the components of TDEE.Multiplying BMR and PAL together will allow us to determine the total daily energy expenditure: Now we need to choose a physical activity level (PAL) - let's assume our female exercises moderately 2-3 times a week (PAL = 1.55) When we input the values from our example, we can solve the equation:īMR (kcal/day) = 10 * 60kg + 6.25 * 165cm – 5 * 45 years – 161
We need to choose a BMR formula - let's use Mifflin-St Jeor.īMR (kcal/day) = 10 * weight (kg) + 6.25 * height (cm) – 5 * age (y) – 161.Let's try calculate the total daily energy expenditure for a female, who is 45 years old, 165 cm tall and weighs 60 kilograms. physical job or hard exercise 6-7 times/week : 1.9,.moderate exercise 2-3 times/week: 1.55,.little/no exercise (sedentary lifestyle): 1.2,.Young subjects usually require more energy, while older people tend to require less energy.Leaner subjects usually require more energy, while obese subjects have lower energy requirements.This formula comes with a standard error of estimation, so the obtained BMR value can be adjusted according to the following rules: To use it, you need to know the following variables: sex, age, and weight. Schofield - equation used by WHO in their reports.This is actually the only value you need to know to use it. To use it, you may also need a lean body mass calculator. Katch-McArdle - the only formula taking lean body mass into account.To use it, you need to know the following variables: sex, age, height, and weight. Revised Harris-Benedict - a revised version of the previous formula, altered by a group of researchers in 1984.Harris-Benedict - historically, this is the most notable BMR formula and was created in 1919.Mifflin-St Jeor - one of the most popular BMR equations recommended by US Academy of Nutrition and Dietetics.You can choose from the 5 most popular equations: Choose a formula to calculate your basal metabolic rate. As mentioned in the paragraph above, our total daily energy expenditure calculator is actually a combination of a BMR calculator and a TDEE calculator.ġ.
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