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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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MM to inches
Convert millimetres to inches instantly. 1 mm = 0.03937 in.
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About MM to inches
Divide millimetres by 25.4, or multiply by 0.03937, to get inches. Often needed for phone screens, tool sizes, jewellery and lens or pipe diameters. As a check, 25 mm is just under 1 inch and 100 mm is about 3.94 inches.
How to use MM to inches
- Type the value you want to convert.
- Choose the units to convert from and to.
- See the answer instantly, with a table of every unit and the formula.
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.
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Frequently asked questions
How many inches is 50 mm?
About 1.969 inches, so a bit under 2 inches.
Is MM to inches free?
Yes. MM to inches 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.