Bar to PSI Converter
Convert bar to pound per square inch instantly. 1 bar = 14.50377377 psi, worked steps and a full reference table.
How to use it
- Type the value in bar — the result updates as you type.
- Use Swap to flip the direction, or change either dropdown to convert between any two units.
- Click the result to copy it. The URL updates too, so you can bookmark or share the exact conversion.
Examples
| 1 bar | 14.50377377 psi |
| 5 bar | 72.51886887 psi |
| 10 bar | 145.0377377 psi |
| 100 bar | 1450.377377 psi |
One bar equals 14.503774 pound per square inches (psi). To convert bars to pound per square inches, multiply by 14.503774; to go back the other way, multiply by 0.068947573 instead.
The converter above does it as you type and shows the working underneath, so you can check the arithmetic rather than take the number on trust.
What bars and pound per square inches actually measure
Bar (bar) — A bar is 100,000 pascals, very close to atmospheric pressure at sea level. Tyre pressures, diving and industrial equipment in Europe.
Pound per square inch (psi) — Pounds per square inch. Tyre pressures, air compressors and plumbing in the US.
Bar to PSI conversion table
The most common values, worked out in advance. Anything not listed can be typed straight into the converter.
| bar | psi |
|---|---|
| 1 bar | 14.503774 psi |
| 2 bar | 29.007548 psi |
| 5 bar | 72.518869 psi |
| 10 bar | 145.03774 psi |
| 25 bar | 362.59434 psi |
| 50 bar | 725.18869 psi |
| 100 bar | 1450.3774 psi |
How to convert bars to pound per square inches by hand
Multiply the number of bars by 14.503774.
For example, 25 bar × 14.503774 = 362.59434 psi.
Going the other way, divide by 14.503774 — or multiply by 0.068947573, which is the same thing and easier to do in your head.
Everything runs in your browser
There is no server involved in the calculation. The numbers you type never leave your device, nothing is logged, and the page keeps working with no connection once it has loaded. That is not a marketing line — it is simply how the tool is built, because a calculation like this has no reason to touch a network.
Questions people ask
How many psi are in 1 bar?
1 bar equals exactly 14.50377377 psi. Multiply any value in bar by 14.50377377 to get pound per square inch.
Is anything uploaded to a server?
No. The whole calculation happens in your browser. Nothing is sent anywhere, and the page keeps working offline once loaded.
Last updated 18 August 2026