Calories
BMR Calculator
Estimate how many calories your body may burn at rest using your age, height, weight and formula option.
Quick answer
The BMR Calculator estimates basal metabolic rate, which is the amount of energy your body may use at rest for basic functions such as breathing, circulation and temperature regulation. BMR is a starting estimate and is usually lower than total daily calorie needs.
Learn more about this result
BMR vs TDEE: What Is the Difference?
Understand resting calorie needs, total daily energy expenditure, and how both numbers help with calorie planning.
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Enter your details to estimate your basal metabolic rate.
Calculator guide
How to understand your BMR result
How to use this calculator
- 1Choose metric or imperial units.
- 2Select the formula option.
- 3Enter your age, height and weight.
- 4Click the calculate button to estimate your BMR.
What the result means
BMR estimates how many calories your body may burn at rest. It does not include exercise, walking, work, training or daily movement. For total daily calories, use the TDEE Calculator after BMR.
What is BMR?
BMR stands for Basal Metabolic Rate. It is an estimate of how many calories your body may burn while at rest, before adding exercise or daily movement.
BMR formula
This calculator uses the Mifflin-St Jeor equation. It uses age, height, weight and formula option to estimate resting calorie needs.
Male formula: 10 × weight + 6.25 × height - 5 × age + 5
Female formula: 10 × weight + 6.25 × height - 5 × age - 161
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