Formula-based result
Enter measurements and select Calculate.
Mifflin-St Jeor equation
Male parameter: 10W + 6.25H − 5A + 5. Female parameter: 10W + 6.25H − 5A − 161, where W is kilograms, H centimeters, and A completed years.
What BMR means
This formula-based result estimates resting energy use. Individual metabolism and body composition vary. It is not a food-intake prescription, medical test, or pregnancy or pediatric tool.
Worked example
For the male formula parameter at age 30, 80 kg, and 180 cm, estimated BMR is 1,780 kcal/day.
Educational adult-use boundary
This calculator is an informational mathematical estimator for adults. It does not diagnose health, recommend treatment, prescribe food intake, define an ideal body, or provide pediatric or pregnancy guidance.