Pressure Converter
Convert between pascal (Pa), kilopascal (kPa), megapascal (MPa), bar, psi, atmosphere (atm), torr, mmHg, inHg, water column, and more. Perfect for engineering, meteorology, automotive, and physics. No signup, no uploads — all local.
0.001
kPa
Common pressure conversions (1 atm)
| Unit | Value |
|---|---|
| Pascal | 101,325 |
| Kilopascal | 101.325 |
| Megapascal | 0.101325 |
| Bar | 1.01325 |
| psi | 14.6959 |
| Atmosphere | 1 |
| Torr | 760 |
| mmHg | 760 |
| inHg | 29.9213 |
| cmH₂O | 1033.26 |
| mmH₂O | 10332.6 |
| kgf/cm² | 1.03323 |
Why use this pressure converter?
Pressure is measured in many different units depending on the field: Pascal is the SI unit, but psi is common in the US, bar in Europe, mmHg and torr in medicine and vacuum science, and water column in HVAC. This tool lets you switch between them instantly.
- Instant conversion – results update as you type or change units.
- 12 different units – covers SI, imperial, metric, and specialty units.
- Copy result – one click copies the converted value.
- Swap units – quickly reverse the conversion direction.
- 100% private – calculations happen locally in your browser.
How to convert pressure units
1. Enter a value
Type any number into the value box.
2. Choose units
Select the unit you're converting from and the unit you want to convert to.
3. Get result
The converted value appears instantly. Use the copy button or swap direction.