Pound/Square Inch (lbf/in²)
Convert Pound/Square Inch to Other Units
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About the Pound/Square Inch
Unit Details
Quick Conversions
Reference Chart
Pound/Square Inch 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
Pound/Square Inch Comparison Table
Compare Pound/Square Inch values with 6 other pressure units. Quick reference for common conversion values.
| Pound/Square Inch (lbf/in²) | 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 Pound/Square Inch 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 Pound/Square Inch
The Pound/Square Inch (lbf/in²) is a unit of pressure measurement. Use our converter above to convert Pound/Square Inch to any other pressure unit instantly