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Basal Metabolic Rate (BMR)

Estimate basal metabolic rate and activity-adjusted daily energy needs (Mifflin-St Jeor).

Written for clinicians. If you're a parent or patient, don't act on these numbers — talk to your child's doctor.

Scope: Adult equation (Mifflin-St Jeor); not validated in children.

Inputs

FieldUnitNotes
Gender
Age years 15–80
Height cm 100–250
Weight kg 30–300

FAQ

What is the Basal Metabolic Rate (BMR)?

Estimate basal metabolic rate and activity-adjusted daily energy needs (Mifflin-St Jeor).

What inputs does the Basal Metabolic Rate (BMR) need?

Gender, Age (years), Height (cm), Weight (kg).

Are there any limitations?

Adult equation (Mifflin-St Jeor); not validated in children.

Related guides

Basal Metabolic Rate (BMR): Mifflin-St Jeor and Activity-Adjusted Energy Needs

The Mifflin-St Jeor BMR equation — its sex-specific formula, the five activity multipliers for total daily energy, a worked example, and why it is an adult tool not validated in children.

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