BMR calculator BMR Calculator - Calculate Your Calorie Needs BMR Calculator Calculate your Basal Metabolic Rate and daily calorie needs for your fitness goals. Age (years): Gender: Select Gender Male Female Height (cm): Weight (kg): Activity Level: Select Activity Level Sedentary (little or no exercise) Lightly Active (light exercise 1-3 days/week) Moderately Active (moderate exercise 3-5 days/week) Very Active (hard exercise 6-7 days/week) Extremely Active (very hard exercise, physical job) Fitness Goal: Select Goal Weight Loss Maintain Weight Weight Gain Calculate Your Results