1 millibar to PSI
1 mbar = 0.01450377 psi. Change the amount below, or read the formula and the reference table further down.
1 millibar 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 1 mbar.
| Millibars (mbar) | PSI (psi) |
|---|---|
| -4 | -0.058015 |
| -3.5 | -0.050763 |
| -3 | -0.043511 |
| -2.5 | -0.036259 |
| -2 | -0.029008 |
| -1.5 | -0.021756 |
| -1 | -0.014504 |
| -0.5 | -0.007252 |
| 0 | 0 |
| 0.5 | 0.007252 |
| 1 | 0.014504 |
| 1.5 | 0.021756 |
| 2 | 0.029008 |
| 2.5 | 0.036259 |
| 3 | 0.043511 |
| 3.5 | 0.050763 |
| 4 | 0.058015 |
| 4.5 | 0.065267 |
| 5 | 0.072519 |
| 5.5 | 0.079771 |
| 6 | 0.087023 |
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 1 millibar in PSI?
- 1 millibar is 0.01450377 PSI.
Calcuit generates this page from a unit table, so the factors here match every other page on the site.