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Pressure converter
Convert bar, psi, kPa, atm and mmHg, for tyres, weather and engineering.
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About Pressure converter
Switch between bar, psi, kPa, atm and mmHg. Tyre pressures are quoted in psi or bar, weather in hPa and blood pressure in mmHg. One atmosphere is 101.325 kPa, about 1.013 bar or 14.7 psi, and 1 bar is almost exactly 14.5 psi.
How to use Pressure converter
- Type a pressure value and pick its unit.
- Choose the unit you want, such as bar or psi.
- Read the result in the list.
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.
- Free to embed on your own website, with a ready-made code to copy.
- Available in 10 languages.
Also known as
Frequently asked questions
How many psi is 2.2 bar?
About 31.9 psi, a normal car tyre pressure. Multiply bar by 14.504.
What is the difference between gauge and absolute pressure?
Gauge pressure is measured against the surrounding air, while absolute pressure is measured against a vacuum. Tyre gauges show gauge pressure, so add atmospheric pressure for absolute.
What tyre pressure should I use?
Follow the figure on the car's door sticker or manual, then convert it to the unit on your pump. Do not use the number printed on the tyre wall.
Is Pressure converter free?
Yes. Pressure 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.
Can I put Pressure converter on my own website?
Yes. Use the Embed on your site button under the tool to copy a short piece of code and paste it into your page. It is free, needs no account, and the tool keeps working inside your page.