Reference sheet
Pressure conversion chart
psi, bar, kPa, atm, mmHg. Factors are given to 7 significant figures; open the converter for full precision and the worked solution.
| Unit | In Pa | 1 Pa in unit |
|---|---|---|
| pascal (Pa) | 1 Pa | 1 Pa |
| hectopascal (hPa) | 100 Pa | 0.01 hPa |
| kilopascal (kPa) | 1,000 Pa | 0.001 kPa |
| megapascal (MPa) | 1,000,000 Pa | 0.000001 MPa |
| bar (bar) | 100,000 Pa | 0.00001 bar |
| millibar (mbar) | 100 Pa | 0.01 mbar |
| pound per square inch (psi) | 6,894.757 Pa | 0.0001450377 psi |
| standard atmosphere (atm) | 101,325 Pa | 0.000009869233 atm |
| millimetre of mercury (mmHg) | 133.3224 Pa | 0.007500616 mmHg |
| torr (Torr) | 133.3224 Pa | 0.007500617 Torr |
| inch of mercury (inHg) | 3,386.389 Pa | 0.0002952998 inHg |
| inch of water (inH₂O) | 249.0889 Pa | 0.004014631 inH₂O |
| kilogram-force per cm² (kgf/cm²) | 98,066.5 Pa | 0.00001019716 kgf/cm² |
| psi | bar |
|---|---|
| 0.1 psi | 0.006894757 bar |
| 0.5 psi | 0.03447379 bar |
| 1 psi | 0.06894757 bar |
| 2 psi | 0.1378951 bar |
| 5 psi | 0.3447379 bar |
| 10 psi | 0.6894757 bar |
| 20 psi | 1.378951 bar |
| 25 psi | 1.723689 bar |
| 50 psi | 3.447379 bar |
| 100 psi | 6.894757 bar |
| 250 psi | 17.23689 bar |
| 500 psi | 34.47379 bar |
| 1,000 psi | 68.94757 bar |
| bar | psi |
|---|---|
| 0.1 bar | 1.450377 psi |
| 0.5 bar | 7.251887 psi |
| 1 bar | 14.50377 psi |
| 2 bar | 29.00755 psi |
| 5 bar | 72.51887 psi |
| 10 bar | 145.0377 psi |
| 20 bar | 290.0755 psi |
| 25 bar | 362.5943 psi |
| 50 bar | 725.1887 psi |
| 100 bar | 1,450.377 psi |
| 250 bar | 3,625.943 psi |
| 500 bar | 7,251.887 psi |
| 1,000 bar | 14,503.77 psi |
Formula: bar = psi × 0.06894757293
Need another value? Use the psi to bar converter or the pressure converter.
Unitglide · unitglide.app/reference/pressure · Factors from NIST SP 811, NIST Handbook 44 and the BIPM SI Brochure (9th ed.). Values rounded to 7 significant figures unless exact.