Question: how many calories do our bodies burn naturally a day?
Answer: For example, a 40-year-old, 180 pound, 6-foot-tall man has a BMR of 1,829.8. This means that, at rest, they'll burn approximately 1,829.8 calories in a day (equation: 66 + (6.2 x 180) + (12.7 x 72) – (6.76 x 40) = 1,829.8).