20 psi to bar
20 psi ≈ 1.38 bar
20 pounds per square inch is approximately 1.38 bar.
How to convert 20 psi to bar
Use the formula bar = psi × 0.0689475729:
bar = 20 × 0.0689475729bar = 1.378951
So 20 psi = 1.378951 bar, or about 1.38 bar rounded.
Rounded values and quick estimate
- Rounded to a whole number: 1 bar
- Rounded to one decimal place: 1.4 bar
- Conversion factor: 1 pound per square inch = 0.0689 bar
Quick mental estimate: divide by 14.5. For 20 psi that gives about 1.38 bar — within 1% of the exact answer. Use the exact formula when precision matters.
20 psi in other units
- Bar
- 1.38 bar
- Kilopascals
- 137.9 kPa
- Atmospheres
- 1.36 atm
- Millimeters of mercury
- 1034.3 mmHg
- Hectopascals
- 1378.95 hPa
- Inches of mercury
- 40.72 inHg
- Megapascals
- 0.1379 MPa
20 psi and nearby values
| Pounds per square inch | Bar |
|---|---|
| 16 psi | 1.1 bar |
| 17 psi | 1.17 bar |
| 18 psi | 1.24 bar |
| 19 psi | 1.31 bar |
| 20 psi | 1.38 bar |
| 21 psi | 1.45 bar |
| 22 psi | 1.52 bar |
| 23 psi | 1.59 bar |
| 24 psi | 1.65 bar |
About pounds per square inch and bar
Pounds per square inch is the US unit of pressure, used for tires and air compressors. 1 psi ≈ 0.0689 bar.
One bar is 100,000 pascals, roughly atmospheric pressure at sea level. It is used for tire pressure in Europe.
Related conversions
Frequently asked questions
What is 20 psi in bar?
20 pounds per square inch is about 1.38 bar (20 psi ≈ 1.38 bar).
How do you convert 20 psi to bar?
Apply bar = psi × 0.0689475729: bar = 20 × 0.0689475729, bar = 1.378951.
How many pounds per square inch is 1.38 bar?
1.38 bar is about 20.02 pounds per square inch.