Pounds per Square Inch to Bars: 1 psi equals 0.068948 bar. To convert pounds per square inch to bars, multiply by 0.068948 (bar = psi × 0.0689476). For example, 10 psi = 0.689476 bar.
How to Convert Pounds per Square Inch to Bars
To convert from pounds per square inch to bars, multiply the value by 0.068948. The conversion is linear, meaning doubling the input doubles the output.
Conversion Formula
- Pounds per Square Inch to Bars:
bar = psi × 0.0689476 - Bars to Pounds per Square Inch:
psi = bar ÷ 0.0689476
Pounds per Square Inch to Bars Conversion Chart
| Pounds per Square Inch (psi) | Bars (bar) |
|---|---|
| 0.1 | 0.006895 |
| 0.25 | 0.017237 |
| 0.5 | 0.034474 |
| 1 | 0.068948 |
| 2 | 0.137895 |
| 3 | 0.206843 |
| 5 | 0.344738 |
| 10 | 0.689476 |
| 20 | 1.378952 |
| 25 | 1.72369 |
| 50 | 3.44738 |
| 100 | 6.89476 |
| 250 | 17.2369 |
| 1000 | 68.9476 |
Understanding the Units
What is a Pounds per Square Inch?
One pound-force per square inch (psi) equals approximately 6,894.757 pascals.
Common contexts: tire pressure, plumbing, pneumatic systems (US).
What is a Bar?
One bar equals exactly 100,000 pascals, very close to standard atmospheric pressure at sea level (about 1.01325 bar).
Common contexts: meteorology, industrial pressure.
Real-World Reference Points
| Item | Pounds per Square Inch (psi) | Bars (bar) |
|---|---|---|
| Car tire (typical) | 32 | 2.2063 |
| US household water | 50 | 3.4474 |
| Bicycle road tire | 100 | 6.8948 |