# Basal Metabolic Rate (BMR) Calculator

Calculate Your Basal Metabolic Rate

The Basal Metabolic Rate (BMR) Calculator estimates your Basal Metabolic Rate (BMR) - the amount of energy per unit time that you need to keep your body functioning at rest in a neutrally temperate environment. Basal metabolic rate affects the rate that a person burns calories; in other words, it affects your speed of losing and gaining weight. There are several existing estimation formulas. This formula was put forward by Mifflin - St Jeor.

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Note: This BMR calculator is based on averages and provided by Mifflin - St Jeor. You should use this for reference only.

### Your Basal Metabolic Rate:

1630 Calories/day

For most people, the basal metabolic rate takes up about 60 to 75% of the daily calorie consumption.

Usually, BMR declines by about 1–2% per decade after age 20.