Pressure unit converter
Pascals, bar, psi and atmospheres, plus the manometer column units.
Precision & format
1 Pa equals
0.001kPa
All 18 units
- PascalPa1
- KilopascalkPa0.001
- MegapascalMPa0.000001
- HectopascalhPa= 1 mbar0.01
- Barbar0.00001
- Millibarmbar0.01
- Standard atmosphereatm0.000009869232667
- Pound per square inchpsi0.0001450377377
- Kilopound per square inchksi1.450377377 × 10⁻⁷
- Pound per square footpsf0.02088543423
- TorrTorr1/760 atm0.007500616827
- Millimeter of mercurymmHgconventional0.007500615758
- Centimeter of mercurycmHg0.0007500615758
- Inch of mercuryinHgconventional0.0002952998016
- Millimeter of watermmH₂Oconventional0.1019716213
- Meter of watermH₂O0.0001019716213
- Inch of waterinH₂Oat 4 °C0.004014630787
- Kilogram-force per cm²kgf/cm²technical atmosphere0.00001019716213
Pressure conversion table
Every unit expressed in pascals (Pa), the SI base for this category.
| Unit | Symbol | 1 unit in Pa |
|---|---|---|
| Pascal | Pa | 1 |
| Kilopascal | kPa | 1,000 |
| Megapascal | MPa | 1,000,000 |
| Hectopascal= 1 mbar | hPa | 100 |
| Bar | bar | 100,000 |
| Millibar | mbar | 100 |
| Standard atmosphere | atm | 101,325 |
| Pound per square inch | psi | 6,894.7573 |
| Kilopound per square inch | ksi | 6,894,757.3 |
| Pound per square foot | psf | 47.880259 |
| Torr1/760 atm | Torr | 133.32237 |
| Millimeter of mercuryconventional | mmHg | 133.32239 |
| Centimeter of mercury | cmHg | 1,333.2239 |
| Inch of mercuryconventional | inHg | 3,386.389 |
| Millimeter of waterconventional | mmH₂O | 9.80665 |
| Meter of water | mH₂O | 9,806.65 |
| Inch of waterat 4 °C | inH₂O | 249.08891 |
| Kilogram-force per cm²technical atmosphere | kgf/cm² | 98,066.5 |
