Pounds per square inch (psi) to Bar
Type a value in Pounds per square inch (psi) and get the result in Bar, calculated exactly.
1 Pounds per square inch (psi) ≈ 0.06894757293 Bar
Precision
Exact factorRounded for display to about 10 significant digits.
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Formula
bar = psi × 0.068947572932
To convert Pounds per square inch (psi) to Bar, multiply the value by 0.068947572932.
Worked examples
- 1 psi × 0.068947572932 ≈ 0.06894757293 bar
- 100 psi × 0.068947572932 ≈ 6.894757293 bar
- 50 psi × 0.068947572932 ≈ 3.447378647 bar
This factor is exact by definition.
Conversion table
| Pounds per square inch (psi) | Bar (bar) |
|---|---|
| 1 | ≈ 0.06894757 |
| 2 | ≈ 0.1378951 |
| 3 | ≈ 0.2068427 |
| 4 | ≈ 0.2757903 |
| 5 | ≈ 0.3447379 |
| 6 | ≈ 0.4136854 |
| 7 | ≈ 0.482633 |
| 8 | ≈ 0.5515806 |
| 9 | ≈ 0.6205282 |
| 10 | ≈ 0.6894757 |
| 15 | ≈ 1.034214 |
| 20 | ≈ 1.378951 |
| 25 | ≈ 1.723689 |
| 30 | ≈ 2.068427 |
| 40 | ≈ 2.757903 |
| 50 | ≈ 3.447379 |
| 60 | ≈ 4.136854 |
| 70 | ≈ 4.82633 |
| 75 | ≈ 5.171068 |
| 80 | ≈ 5.515806 |
| 90 | ≈ 6.205282 |
| 100 | ≈ 6.894757 |
Values marked ≈ are rounded; the rest are exact.
Reverse table: Bar to Pounds per square inch (psi)
| Bar (bar) | Pounds per square inch (psi) |
|---|---|
| 1 | ≈ 14.50377 |
| 2 | ≈ 29.00755 |
| 3 | ≈ 43.51132 |
| 4 | ≈ 58.0151 |
| 5 | ≈ 72.51887 |
| 6 | ≈ 87.02264 |
| 7 | ≈ 101.5264 |
| 8 | ≈ 116.0302 |
| 9 | ≈ 130.534 |
| 10 | ≈ 145.0377 |
| 15 | ≈ 217.5566 |
| 20 | ≈ 290.0755 |
| 25 | ≈ 362.5943 |
| 30 | ≈ 435.1132 |
| 40 | ≈ 580.151 |
| 50 | ≈ 725.1887 |
| 60 | ≈ 870.2264 |
| 70 | ≈ 1,015.264 |
| 75 | ≈ 1,087.783 |
| 80 | ≈ 1,160.302 |
| 90 | ≈ 1,305.34 |
| 100 | ≈ 1,450.377 |
Unit definitions
- Pounds per square inch (psi) psi
- One pound-force per square inch: about 6894.757 pascals, exact from the 1959 pound and inch.
- Bar bar
- Exactly 100 000 pascals, close to atmospheric pressure at sea level.
Questions people ask
Pounds per square inch (psi) to Bar: what is the conversion factor?
One psi is ≈ 0.06894757293 bar.
How do I convert Pounds per square inch (psi) to Bar?
Use the formula above. For example, 100 psi = ≈ 6.894757293 bar.
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.