Convert psi to millibars
pounds per square inch to millibars. Enter a value to convert, or use the psi to millibars chart further down the page.
1 pound per square inch equals 68.9476 millibars. Going the other way, 1 millibar = 0.0145038 pounds per square inch.
How to convert psi to millibars
To convert pounds per square inch to millibars, multiply the pound per square inch value by 68.94757293. You can also divide by 0.01450377377 to get the same answer.
mbar = psi × 68.94757293
Worked example
Convert 15 psi to millibars:
15 psi = 1,034.21 mbar
psi to millibars conversion chart
Use this psi to millibars table for quick reference without typing anything.
| pounds per square inch (psi) | millibars (mbar) |
|---|---|
| 0.01 psi | 0.689476 mbar |
| 0.1 psi | 6.89476 mbar |
| 1 psi | 68.9476 mbar |
| 2 psi | 137.895 mbar |
| 3 psi | 206.843 mbar |
| 5 psi | 344.738 mbar |
| 10 psi | 689.476 mbar |
| 20 psi | 1,378.95 mbar |
| 50 psi | 3,447.38 mbar |
| 100 psi | 6,894.76 mbar |
| 1,000 psi | 68,947.6 mbar |
What is a pound per square inch?
One psi is one pound-force per square inch, about 6,894.76 pascals. It is the standard pressure unit for tyres and hydraulics in the US.
What is a millibar?
A millibar is 100 pascals, identical to a hectopascal. It is the standard unit in weather reports.
Frequently asked questions
How many millibars are in a pound per square inch?
1 psi equals 68.9476 millibars. Going the other way, 1 millibars is 0.0145038 psi.
How do you convert psi to millibars?
To convert pounds per square inch to millibars, multiply the pound per square inch value by 68.94757293. You can also divide by 0.01450377377 to get the same answer.
What is 10 psi in millibars?
10 psi equals 689.476 millibars. The conversion chart on this page lists the other values people look up most often.
Related pressure conversions
Convert psi to other units
Convert other units to millibars
- bar to millibars
- pascals to millibars
- kPa to millibars
- atm to millibars
- mmHg to millibars
- torr to millibars
- inHg to millibars
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