BMR Calculator

When it comes to weight loss, calorie deficit is crucial. To create a calorie deficit, you need to know what your maintenance calories are. Maintenance calories are precisely the number of calories your body needs to support energy expenditure. This BMR Calculator estimates your maintenance calories based on your weight, sex, age, height, and physical activity level. For a moderate calorie deficit the general rule of thumb is Your requirements minus 300 to 500kcals/day.