How to convert pounds per square inch to millibars
mbar = psi × 68.94757293Multiply the value in pounds per square inch by 68.94757293. To go the other way, multiply by 0.01450377377 (or divide by 68.94757293).
A pound per square inch is larger than a millibar: one pound per square inch contains 68.94757293 millibars.
Worked examples
- 1 pound per square inch1 psi × 68.94757293 = 68.94757293 mbar
- 5 pounds per square inch5 psi × 68.94757293 = 344.7378647 mbar
- 10 pounds per square inch10 psi × 68.94757293 = 689.4757293 mbar
- 20 pounds per square inch20 psi × 68.94757293 = 1,378.951459 mbar
- 100 pounds per square inch100 psi × 68.94757293 = 6,894.757293 mbar
Pounds per square inch to millibars conversion table
Values are calculated by the conversion engine and rounded to 8 significant figures.
| Pounds per square inch (psi) | Millibars (mbar) |
|---|---|
| 0.1 psi | 6.8947573 mbar |
| 0.25 psi | 17.236893 mbar |
| 0.5 psi | 34.473786 mbar |
| 1 psi | 68.947573 mbar |
| 2 psi | 137.89515 mbar |
| 3 psi | 206.84272 mbar |
| 4 psi | 275.79029 mbar |
| 5 psi | 344.73786 mbar |
| 6 psi | 413.68544 mbar |
| 7 psi | 482.63301 mbar |
| 8 psi | 551.58058 mbar |
| 9 psi | 620.52816 mbar |
| 10 psi | 689.47573 mbar |
| Pounds per square inch (psi) | Millibars (mbar) |
|---|---|
| 12 psi | 827.37088 mbar |
| 15 psi | 1,034.2136 mbar |
| 20 psi | 1,378.9515 mbar |
| 25 psi | 1,723.6893 mbar |
| 30 psi | 2,068.4272 mbar |
| 40 psi | 2,757.9029 mbar |
| 50 psi | 3,447.3786 mbar |
| 75 psi | 5,171.068 mbar |
| 100 psi | 6,894.7573 mbar |
| 250 psi | 17,236.893 mbar |
| 500 psi | 34,473.786 mbar |
| 1,000 psi | 68,947.573 mbar |
About the units
Pound per square inch (psi)
One pound-force per square inch, about 6,894.76 Pa. US tire, air-compressor and hydraulic pressures are given in psi. One pound per square inch equals 6,894.757293 pascals (Pa).
Millibar (mbar)
The millibar (mbar) is a unit of pressure in the metric system. One millibar equals 100 pascals (Pa).
Frequently asked questions
How many millibars are in one pound per square inch?
There are 68.94757293 millibars in one pound per square inch, and this value is exact by definition.
How do I convert pounds per square inch to millibars?
Multiply the number of pounds per square inch by 68.94757293. For example, 10 psi × 68.94757293 = 689.4757293 mbar.
How many pounds per square inch are in one millibar?
One millibar equals 0.01450377377 pounds per square inch. That is the reverse factor, 1 ÷ 68.94757293.
What is 10 pounds per square inch in millibars?
10 psi = 689.4757293 mbar.
Is this psi to mbar converter accurate?
Yes. Both units are defined exactly in terms of SI units, so the conversion factor is exact; results are shown to 12 significant figures by default and you can change precision in the converter. Calculations run in your browser using the same tested engine that generated this page.