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Basal Metabolic Rate (BMR)

Find out how many calories your body burns at total rest.

BMR represents the minimum energy required to keep your vital organs functioning while at rest. It is influenced by age, gender, genetics, and body composition.

Details

  • BMR depends on age, height, and weight.
  • Muscle mass significantly increases your BMR.
  • It is the baseline for your total daily energy needs.
  • Stress and hormones can temporarily alter BMR.
  • Prolonged low-calorie diets can slow down BMR.

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Method note

This tool produces estimates from common formulas. Results are informational and should not be used on their own for diagnosis or treatment decisions.

Frequently Asked Questions

Short answers to common questions about how to read this calculator page.

What should I know 1: Basal Metabolic Rate (BMR)

BMR depends on age, height, and weight.

What should I know 2: Basal Metabolic Rate (BMR)

Muscle mass significantly increases your BMR.

What should I know 3: Basal Metabolic Rate (BMR)

It is the baseline for your total daily energy needs.

What should I know 4: Basal Metabolic Rate (BMR)

Stress and hormones can temporarily alter BMR.

What should I know 5: Basal Metabolic Rate (BMR)

Prolonged low-calorie diets can slow down BMR.