100 millibars to PSI
100 mbar = 1.450377 psi. Change the amount below, or read the formula and the reference table further down.
100 millibars equals
PSI
1 mbar = 0.01450377 psi
The formula
Millibars and PSI both measure pressure from the same zero, so a single multiplier does the job.
psi = mbar × 0.0145037738
Going the other way? Convert PSI to millibars.
Millibars to PSI table
Values either side of 100 mbar.
| Millibars (mbar) | PSI (psi) |
|---|---|
| 0 | 0 |
| 10 | 0.145038 |
| 20 | 0.290075 |
| 30 | 0.435113 |
| 40 | 0.580151 |
| 50 | 0.725189 |
| 60 | 0.870226 |
| 70 | 1.0153 |
| 80 | 1.1603 |
| 90 | 1.3053 |
| 100 | 1.4504 |
| 110 | 1.5954 |
| 120 | 1.7405 |
| 130 | 1.8855 |
| 140 | 2.0305 |
| 150 | 2.1756 |
| 160 | 2.3206 |
| 170 | 2.4656 |
| 180 | 2.6107 |
| 190 | 2.7557 |
| 200 | 2.9008 |
Questions people ask
- How many PSI are in a millibar?
- One millibar equals 0.0145037738 PSI.
- How do I convert millibars to PSI by hand?
- Multiply the number of millibars by 0.0145037738. For a rough check, 0.015 is close enough for most everyday use.
- What is 100 millibars in PSI?
- 100 millibars is 1.450377 PSI.
Calcuit generates this page from a unit table, so the factors here match every other page on the site.