BMI Calculator

Enter your height and weight to compute BMI and view the standard adult BMI category. BMI is a screening tool, not a diagnosis.

Last updated: 2026-07-09

BMI (Body Mass Index) is a simple screening number that compares weight to height. It is widely used because it is easy to calculate, but it is not a measure of body fat or overall health.

Use BMI as one data point — not the whole story. Waist size, blood pressure, blood sugar, and lifestyle habits matter just as much or more.

Calculate Your BMI

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Frequently Asked Questions

Is BMI a diagnosis?+
No. BMI is a general screening tool that does not measure body fat directly. It does not distinguish between muscle and fat, or account for body composition.
Who should not rely on BMI?+
Athletes with high muscle mass, older adults with muscle loss, pregnant people, and some ethnic groups may find BMI misleading. Ask a clinician about a fuller assessment.
How often should I recheck?+
Weekly to monthly is plenty if you are actively working on weight. Focusing on habits usually gives better results than daily numbers.
What matters more than BMI?+
Blood pressure, blood sugar, waist size, activity, sleep, and diet quality all matter and give a more complete health picture than BMI alone.

Medical Disclaimer

This article is for educational and informational purposes only. It is not intended as medical advice, diagnosis, or treatment. Always consult your physician, registered dietitian, or other qualified healthcare provider with any questions you may have regarding a medical condition or dietary changes.

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