Pressure Converter
Convert pressure units including pascal, kilopascal, bar, psi, ksi and many more pressure units instantly and accurately.
Popular Pressure Conversions
Quick access to the most commonly used pressure conversions.
About Pressure Units
Free online pressure converter - converts between 53 units of pressure, including pascal [Pa], kilopascal [kPa], bar, psi [psi], etc. Also, explore many other unit converters or learn more about pressure unit conversions. Different unit systems are used worldwide, including the Metric System (SI) and the Imperial / US Customary System.
Metric System (SI)
The metric system is the most widely adopted international measurement standard. The base unit is the pascal.
Imperial System (US)
The imperial system is commonly used in the United States and specialized international industries including aviation and maritime navigation.
Common Pressure Units
Here are some of the most common pressure units and their abbreviations.
| Unit | Symbol | Type | In Pascal |
|---|---|---|---|
| Pascal | Pa | Metric (base) | 1 Pa |
| Kilopascal | kPa | Metric | 1000 Pa |
| Bar | — | Standard | 100000 Pa |
| Psi | psi | Standard | 6894.757293 Pa |
| Ksi | ksi | Standard | 6894757.29318 Pa |
| Standard atmosphere | atm | Standard | 101325 Pa |
| Exapascal | EPa | Metric | 1E+18 Pa |
| Petapascal | PPa | Metric | 1E+15 Pa |
| Terapascal | TPa | Metric | 1E+12 Pa |
| Gigapascal | GPa | Metric | 1000000000 Pa |
Common Conversion Formulas
Here are some useful pressure conversion formulas.
Frequently Asked Questions
Find answers to common questions about pressure conversion.
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