Your BMR is your ‘basal metabolic rate’. It’s the amount of energy (calories) your body burns if you do nothing but rest for 24 hours. To calculate your BMR, you should know your weight in kilograms and your height in centimetres, and you should have a calculator. Men: BMR = 10 x weight (kg) + 6.25 x height (cm) – 5 x age (years) + 5.
The average adult male in the U.S. stands 5 feet, 9 inches tall (175 centimeters) and weighs 199.8 pounds (90.5 kilograms). For American women, the average is 5 feet, 2 1/2 inches tall (157 cm