Mifflin–St Jeor equation
The estimate uses weight, height, age, and the sex-specific constants in the Mifflin–St Jeor equation.
Activity multiplier
Estimated daily energy expenditure multiplies BMR by a broad activity factor. Real energy needs vary with body composition, occupation, training, health, climate, and many other factors.
Informational use only
This adult estimate is not a prescription for weight loss, weight gain, pregnancy, illness, eating disorders, childhood nutrition, or medical treatment.
Frequently asked questions
Are results saved or uploaded?
The calculation runs in your browser. Tooliyapa does not require an account to use this calculator.
Should I verify an important result?
Yes. For financial, health, academic, engineering, legal, or other consequential decisions, verify the inputs, assumptions, and result against an appropriate authoritative source or qualified professional.