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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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Unit converter
Convert length, weight, temperature, area, volume, speed, pressure, energy, data and more, with a table of every unit.
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About Unit converter
Convert between hundreds of units of length, weight, temperature, area, volume, speed, pressure, energy and more. Type a value, pick the units and read the answer immediately, with the formula shown so you can check it.
How to use Unit converter
- 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.
Also known as
Frequently asked questions
How accurate are the conversions?
They use the exact international definitions of each unit, so the results are as precise as the numbers you type, shown with up to ten significant digits.
What is the difference between metric and imperial units?
Metric units (metre, kilogram, litre) are based on powers of ten and used in most countries. Imperial and US customary units (foot, pound, gallon) are used mainly in the US and a few other places.
Is Unit converter free?
Yes. Unit converter 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.