Calculate your Basal Metabolic Rate (BMR).
Basal Metabolic Rate (BMR) is the number of calories your body burns while at complete rest to maintain basic functions such as breathing, blood circulation and body temperature.
Male
BMR = 10 × Weight + 6.25 × Height − 5 × Age + 5
Female
BMR = 10 × Weight + 6.25 × Height − 5 × Age − 161