BMI Calculator

Calculate adult body mass index from weight in kilograms and height in centimeters.

Weight (kg)Height (cm)

Result

BMI: 22.85714286 Adult category: Healthy range

For adults aged 20 and older. BMI is a screening estimate; it does not diagnose health conditions.

How bmi calculator works

BMI = weight in kg / (height in meters squared).

Enter your values or text in the tool form.
Review the result as you change the inputs, or select the action button for code tools.
Copy the result or download it where a download option is available.

At 70 kg and 175 cm, BMI is approximately 22.86.

BMI is a screening measure for adults, not a diagnosis. It is not the appropriate assessment for children, pregnancy or every body type.

Category reference: CDC adult BMI categories, for adults aged 20 and older. Discuss personal health questions with a qualified clinician.

How does bmi calculator work?

BMI = weight in kg / (height in meters squared).

What should I check before using the result?

BMI is a screening measure for adults, not a diagnosis. It is not the appropriate assessment for children, pregnancy or every body type.

Is BMI Calculator free to use?

Yes. BMI Calculator is free, browser-based, and does not require signup.

Does this tool save my data?

Tool inputs are processed on your device. File tools do not upload your files. Website analytics are described in the privacy policy.

Can I use it on mobile?

Yes. The page is responsive and works on modern mobile, tablet, and desktop browsers.

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Reviewed 2026-10-24. By Mahad and Mehdi Developers.