Basal Metabolic Rate Calculator

BMR Calculator

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BMR Calculator

Estimate your basal metabolic rate, the approximate energy your body uses at rest. BMR is often used as a starting point for calorie planning. It can be useful for understanding a general estimate, but the result should be viewed in context rather than as a diagnosis or treatment decision.

How to use this calculator

Provide the requested age, sex, height, weight, and activity details. Activity level can change the estimate substantially, so choose the option that best matches the routine you are actually describing.

Formula

Mifflinโ€“St Jeor BMR: men = 10W + 6.25H โˆ’ 5A + 5; women = 10W + 6.25H โˆ’ 5A โˆ’ 161.

Before you use the result

This result is an estimate based on the inputs and the method used by the calculator. Different formulas or measurement methods can produce different values, and the result should not be treated as a diagnosis or a substitute for advice from a qualified health professional.

Frequently Asked Questions FAQ

What does the BMR Calculator estimate?
The BMR Calculator provides an estimate based on the inputs and method supported by the calculator. It is intended as a practical reference, not a diagnosis.
What information do I need for the BMR Calculator?
Enter the measurements requested by the tool and use the exact units shown by each field. Accurate, consistent inputs are important because small changes can affect the result.
What formula does the BMR Calculator use?
The calculation is based on the relevant standard method. In this calculator, the key relationship is: Mifflinโ€“St Jeor BMR: men = 10W + 6.25H โˆ’ 5A + 5; women = 10W + 6.25H โˆ’ 5A โˆ’ 161.
How should I interpret the result?
Treat the number as an estimate and consider the assumptions behind it. A single calculator result may not describe an individual's complete health or fitness picture.
What can make the BMR Calculator result less accurate?
Incorrect units, rounding, measurement technique, unusual inputs, and using a formula outside the population or method it was designed for can change the result.
Can I use the BMR Calculator result as medical advice?
No. A calculator estimate is not a diagnosis or a substitute for advice from a qualified healthcare professional. Use professional guidance for important health decisions.

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