Health

BMR Calculator

Estimate basal metabolic rate with the Mifflin-St Jeor equation.

BMR Calculator

Result
Ready

    Guide

    BMR Calculator basics

    Estimate resting calorie use from weight, height, age, and sex code.

    Formula

    How the calculation works

    Male10W + 6.25H - 5A + 5
    Female10W + 6.25H - 5A - 161

    Example

    Example calculation

    70 kg, 175 cm, age 30, male

    about 1,649 cal/day

    Notes

    Assumptions

    • Sex code uses 1 for male and 2 for female.
    • This is an estimate and does not replace medical guidance.

    FAQ

    BMR Calculator FAQ

    What is the BMR Calculator for?

    It uses the fields on this page and applies the formula shown below the result. Check the assumptions before using the number outside the page.

    Can I use decimals?

    Yes. Decimal inputs are supported unless the field represents a count.

    How should I use the result?

    Treat it as a calculator result, not a full plan. Round it or adjust it when the real situation calls for it.

    Sources. Mifflin-St Jeor BMR equation.
    Disclaimer. Use this result as a check or starting point. For finance, health, engineering, or purchasing decisions, verify the numbers before acting on them.