Pressure converter
Convert tire, weather, diving, blood pressure and industrial pressures between bar, psi, kPa, Pa, atm and mmHg.
bar
psi
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1 pascal in other pressure units
| Unit | Value |
|---|---|
| KPa (kPa) | 0.001 kPa |
| Bar (bar) | 0.00001 bar |
| PSI (psi) | 0.0001450377 psi |
| Atmospheres (atm) | 0.000009869233 atm |
| MmHg (mmHg) | 0.007500616 mmHg |
About pressure units
The pascal (one newton per square meter) is the SI unit of pressure. One bar is 100,000 Pa and one standard atmosphere is 101,325 Pa. Psi is used mainly in the US and Canada.
Where pressure conversions are used
Pressure conversions are needed for car and bike tire pressure, compressors and pressure washers, scuba diving, weather maps and medical readings.
Conversion factors use exact international definitions where they exist (for example 1 inch = 2.54 cm and 1 lb = 0.45359237 kg). Results are rounded for display only.