Frequently Asked Questions

Got questions about BMI and health metrics? Find quick, expert answers below.

What is considered a healthy BMI score?

According to the World Health Organization (WHO), a BMI score falling between 18.5 and 24.9 is considered normal or healthy for adult men and women.

How often should I calculate my BMI?

For most adults, checking your BMI once every few months is completely sufficient. BMI does not fluctuate drastically day-by-day like hydration levels or weight after a meal.

Does the BMI formula change with age or gender?

The standard calculation formula remains the same for all adults over 20 years old. However, interpretation can vary slightly, as women naturally carry slightly more body fat than men at the same BMI score.

Is this tool safe to use?

Yes, Metrigrid is a client-side calculator. We do not store, track, or collect your personal physical measurements on any server.