Psi (P)
Convert Psi to Other Units
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About the Psi
Unit Details
Quick Conversions
Reference Chart
Psi Reference Chart - Pressure Conversions
Interactive conversion chart showing pressure unit relationships. Compare 8 common units with precise calculations.
| Unit | Symbol | Equivalent to 1 atm |
|---|---|---|
| AtmosphereBase Unit | atm | 1 |
| Attopascal | aPa | 9.869E-24 |
| Bar | bar | 0.986923 |
| Centimeter Mercury (0°C) | cmHg | 0.013158 |
| Centimeter Water (4°C) | cmH2O | 9.678E-4 |
| Centipascal | cPa | 9.869E-8 |
| Decipascal | dPa | 9.869E-7 |
| Dekapascal | daPa | 9.869E-5 |
Quick Reference
About Pressure
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Conversion Accuracy
All conversions use official conversion factors and are calculated with maximum precision to ensure professional-grade accuracy.
Comparison Table
Psi Comparison Table
Compare Psi values with 6 other pressure units. Quick reference for common conversion values.
| Psi (P) | Atmosphere (atm) | Attopascal (aPa) | Bar (bar) | Centimeter Mercury (0°C) (cmHg) | Centimeter Water (4°C) (cmH2O) | Centipascal (cPa) |
|---|---|---|---|---|---|---|
| 1 | 0.068046 | 6.895E21 | 0.068948 | 5.171495 | 70.308887 | 689,475.666447 |
| 5 | 0.34023 | 3.447E22 | 0.344738 | 25.857474 | 351.544433 | 3.447E6 |
| 10 | 0.68046 | 6.895E22 | 0.689476 | 51.714948 | 703.088867 | 6.895E6 |
| 25 | 1.701149 | 1.724E23 | 1.723689 | 129.287371 | 1,757.722167 | 1.724E7 |
| 50 | 3.402298 | 3.447E23 | 3.447378 | 258.574741 | 3,515.444334 | 3.447E7 |
| 100 | 6.804596 | 6.895E23 | 6.894757 | 517.149482 | 7,030.888667 | 6.895E7 |
How to Use This Table
Find the value in Psi in the first column, then read across to see the equivalent values in other pressure units.
Precision Note
All conversions are calculated using precise conversion factors with locale-appropriate number formatting for optimal readability.
About the Psi
The Psi (P) is a unit of pressure measurement. Use our converter above to convert Psi to any other pressure unit instantly