Pressure converter
Pascal, bar, psi, atmospheres and more.
Runs in your browserNo sign-upNo watermark
Quick answer
To convert pressure units, type a number, choose the unit you have and the unit you want. The answer updates as you type.
1 bar = 14.50377377 psi
1 bar in every pressure unit
| Pascal | 100000 Pa |
|---|---|
| Kilopascal | 100 kPa |
| Bar | 1 bar |
| Pound per square inch | 14.50377377 psi |
| Atmosphere | 0.9869232667 atm |
| Millimetre of mercury | 750.0615758 mmHg |
How to use the pressure tool
- Type the number you want to convert.
- Choose the unit you have in "From" and the one you want in "To".
- Read the answer. The ⇄ button swaps the two units, and the table shows every unit at once.
This pressure converter uses exact conversion factors and shows the result with up to 10 significant digits.
Common questions
How many psi is 1 bar?
One bar is about 14.5038 psi. Car tyres are often 2 to 2.5 bar, which is about 30 to 36 psi.
What is standard atmospheric pressure?
1 atmosphere is 101,325 pascals, or 1.01325 bar.
How accurate is it?
It uses the exact defined conversion factors and shows up to 10 significant digits, so rounding noise is hidden but real precision is kept.
Does it work offline?
Once the page has loaded, yes: it calculates in your browser and sends nothing anywhere.