Metabolism Guide: How to Calculate BMR, RMR and Boost Energy

Metabolism determines how many calories your body burns at rest through BMR and RMR. Understand how age, thyroxine, and pregnancy affect your metabolic speed and energy levels.

How to Calculate BMR Manually

Published Jul,18 2017 | By Allan Robinson

Your basal metabolic rate, also known as your BMR, is your minimum calorie expenditure rate, the rate at which you must expend calories in order to stay alive. Your BMR assumes you’re in the post-absorptive phase of digestion, meaning you aren’t actively digesting food.