How to convert millibars to pounds per square inch
psi = mbar × 0.01450377377Multiply the value in millibars by 0.01450377377. To go the other way, multiply by 68.94757293 (or divide by 0.01450377377).
A millibar is smaller than a pound per square inch: it takes 68.94757293 millibars to make one pound per square inch.
Worked examples
- 1 millibar1 mbar × 0.01450377377 = 0.01450377377 psi
- 5 millibars5 mbar × 0.01450377377 = 0.07251886887 psi
- 10 millibars10 mbar × 0.01450377377 = 0.1450377377 psi
- 20 millibars20 mbar × 0.01450377377 = 0.2900754755 psi
- 100 millibars100 mbar × 0.01450377377 = 1.450377377 psi
Millibars to pounds per square inch conversion table
Values are calculated by the conversion engine and rounded to 8 significant figures.
| Millibars (mbar) | Pounds per square inch (psi) |
|---|---|
| 0.1 mbar | 0.0014503774 psi |
| 0.25 mbar | 0.0036259434 psi |
| 0.5 mbar | 0.0072518869 psi |
| 1 mbar | 0.014503774 psi |
| 2 mbar | 0.029007548 psi |
| 3 mbar | 0.043511321 psi |
| 4 mbar | 0.058015095 psi |
| 5 mbar | 0.072518869 psi |
| 6 mbar | 0.087022643 psi |
| 7 mbar | 0.10152642 psi |
| 8 mbar | 0.11603019 psi |
| 9 mbar | 0.13053396 psi |
| 10 mbar | 0.14503774 psi |
| Millibars (mbar) | Pounds per square inch (psi) |
|---|---|
| 12 mbar | 0.17404529 psi |
| 15 mbar | 0.21755661 psi |
| 20 mbar | 0.29007548 psi |
| 25 mbar | 0.36259434 psi |
| 30 mbar | 0.43511321 psi |
| 40 mbar | 0.58015095 psi |
| 50 mbar | 0.72518869 psi |
| 75 mbar | 1.087783 psi |
| 100 mbar | 1.4503774 psi |
| 250 mbar | 3.6259434 psi |
| 500 mbar | 7.2518869 psi |
| 1,000 mbar | 14.503774 psi |
About the units
Millibar (mbar)
The millibar (mbar) is a unit of pressure in the metric system. One millibar equals 100 pascals (Pa).
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).
Frequently asked questions
How many pounds per square inch are in one millibar?
There are 0.01450377377 pounds per square inch in one millibar, and this value is exact by definition.
How do I convert millibars to pounds per square inch?
Multiply the number of millibars by 0.01450377377. For example, 10 mbar × 0.01450377377 = 0.1450377377 psi.
How many millibars are in one pound per square inch?
One pound per square inch equals 68.94757293 millibars. That is the reverse factor, 1 ÷ 0.01450377377.
What is 10 millibars in pounds per square inch?
10 mbar = 0.1450377377 psi.
Is this mbar to psi 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.