Pascals to Pounds per square inch (psi)
Type a value in Pascals and get the result in Pounds per square inch (psi), calculated exactly.
1 Pascals ≈ 0.000145037738 Pounds per square inch (psi)
Precision
Exact factorRounded for display to about 10 significant digits.
Slide rule
Drag to scrub · arrow keys step · Shift × 10Paper tape
ConvertThemAll
- Your conversions print here.
0 lines · kept on this device only
Formula
psi = Pa × 0.000145037738
To convert Pascals to Pounds per square inch (psi), multiply the value by 0.000145037738.
Worked examples
- 1 Pa × 0.000145037738 ≈ 0.000145037738 psi
- 100 Pa × 0.000145037738 ≈ 0.01450377377 psi
- 50 Pa × 0.000145037738 ≈ 0.007251886887 psi
This factor is exact by definition.
Conversion table
| Pascals (Pa) | Pounds per square inch (psi) |
|---|---|
| 1 | ≈ 0.0001450377 |
| 2 | ≈ 0.0002900755 |
| 3 | ≈ 0.0004351132 |
| 4 | ≈ 0.000580151 |
| 5 | ≈ 0.0007251887 |
| 6 | ≈ 0.0008702264 |
| 7 | ≈ 0.001015264 |
| 8 | ≈ 0.001160302 |
| 9 | ≈ 0.00130534 |
| 10 | ≈ 0.001450377 |
| 15 | ≈ 0.002175566 |
| 20 | ≈ 0.002900755 |
| 25 | ≈ 0.003625943 |
| 30 | ≈ 0.004351132 |
| 40 | ≈ 0.00580151 |
| 50 | ≈ 0.007251887 |
| 60 | ≈ 0.008702264 |
| 70 | ≈ 0.01015264 |
| 75 | ≈ 0.01087783 |
| 80 | ≈ 0.01160302 |
| 90 | ≈ 0.0130534 |
| 100 | ≈ 0.01450377 |
Values marked ≈ are rounded; the rest are exact.
Reverse table: Pounds per square inch (psi) to Pascals
| Pounds per square inch (psi) | Pascals (Pa) |
|---|---|
| 1 | ≈ 6,894.757 |
| 2 | ≈ 13,789.51 |
| 3 | ≈ 20,684.27 |
| 4 | ≈ 27,579.03 |
| 5 | ≈ 34,473.79 |
| 6 | ≈ 41,368.54 |
| 7 | ≈ 48,263.3 |
| 8 | ≈ 55,158.06 |
| 9 | ≈ 62,052.82 |
| 10 | ≈ 68,947.57 |
| 15 | ≈ 103,421.36 |
| 20 | ≈ 137,895.15 |
| 25 | ≈ 172,368.93 |
| 30 | ≈ 206,842.72 |
| 40 | ≈ 275,790.29 |
| 50 | ≈ 344,737.86 |
| 60 | ≈ 413,685.44 |
| 70 | ≈ 482,633.01 |
| 75 | ≈ 517,106.8 |
| 80 | ≈ 551,580.58 |
| 90 | ≈ 620,528.16 |
| 100 | ≈ 689,475.73 |
Unit definitions
- Pascals Pa
- The SI unit of pressure: one newton per square metre.
- Pounds per square inch (psi) psi
- One pound-force per square inch: about 6894.757 pascals, exact from the 1959 pound and inch.
Questions people ask
Pascals to Pounds per square inch (psi): what is the conversion factor?
One Pa is ≈ 0.000145037738 psi.
How do I convert Pascals to Pounds per square inch (psi)?
Use the formula above. For example, 100 Pa = ≈ 0.01450377377 psi.
Is the conversion exact?
Yes. Both units have exact definitions, so the factor is exact; a result is only rounded when its decimals never end.
Factors checked 19 October 2026.