health calculator

BMR Calculator

Estimate basal metabolic rate with the Mifflin-St Jeor equation. Interpret the result as an educational screening estimate, not a diagnosis.

Calculator results are produced by fixed formulas only. AI is not used for calculation outputs.

Results calculated from the default values.

Results

Results are up to date with the current inputs.

BMR1,483 calories/day

How to interpret this estimate

This calculator estimates basal metabolic rate, which is the energy the body may use at rest before daily movement and exercise are added.

When this result is useful

Use BMR as a starting point for comparing calorie plans or understanding how a TDEE estimate is constructed.

Common limitations

The result depends on age, sex, height, weight, and the selected equation. Body composition, medication, illness, and other factors can change actual energy needs.

This calculator uses the selected inputs and the fixed formula behind the tool to produce an estimate. Review the units, assumptions, and result labels before using the output for planning.

Health results are screening or planning estimates only. They do not diagnose health status or replace advice from doctors, dietitians, or qualified healthcare professionals.

Read the medical disclaimer for more context.

Assumptions

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