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Create a QR code for a link, Wi-Fi, WhatsApp, contact and more, or read one from a photo.
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Fill in the details to see your QR code.
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3. Style (optional): colors, dots, logo
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BMI calculator
Body Mass Index in kg/cm or lb/ft, with the healthy weight range for your height.
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- Works on any device
About BMI calculator
Calculate your body mass index (BMI) from your height and weight, in metric or imperial units, and see which range it falls in: underweight, healthy weight, overweight or obese. BMI is a quick screening number, not a diagnosis, because it does not separate muscle from fat.
How to use BMI calculator
- Enter your numbers above.
- The result updates instantly as you type.
- Change any value to compare different cases.
Why use this tool?
- Private: everything happens in your browser. Nothing you enter is uploaded.
- Free, with no sign-up, no watermark and no limit on how often you use it.
- Works on phones, tablets and computers: Android, iPhone, Windows, Mac and Linux. Nothing to install.
- Available in 10 languages.
Also known as
Frequently asked questions
What is a healthy BMI?
For most adults a BMI between 18.5 and 24.9 is considered a healthy weight, 25 to 29.9 overweight, and 30 or more obese.
Is BMI accurate for athletes?
Not always. Muscle weighs more than fat, so a very muscular person can have a high BMI without extra body fat. Waist measurements and body fat percentage give a fuller picture.
Is BMI calculator free?
Yes. BMI calculator on Toolipedia is free to use, with no sign-up and no watermark.
Is it safe to use?
Yes. Everything is worked out in your browser, and nothing you enter is sent to our server.
Does it work on my phone?
Yes. It works in any modern browser on Android and iPhone, as well as on tablets and computers. There's nothing to install.
Do I need an account?
No. Just open the page and use the tool. There's no sign-up and no email needed.