BMR Calculator Use the calculator below to determine your BMR. Your BMR is how many calories your body burns at rest. Energy requirements are based on multiple factors including training frequency, type, intensity, body composition, size, and goals. Height: Feet 1' 2' 3' 4' 5' 6' 7' Inches 1" 2" 3" 4" 5" 6" 7" 8" 9" 10" 11" Weight in Pounds: LB KG> Sex: Male Female Age: years Get BMR Calculation