Convert millibar (mbar) to psi (psi).
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PSI to Millibar Converter (psi to mbar)
Convert psi (psi) to millibar (mbar).Unit Converter · Pressure
Quick answer
1 PSI is approximately equal to 68.94757 millibars (mbar). 1 millibar (mbar) is approximately equal to 0.01450377 PSI.
To convert psi to mbar, multiply the value in PSI by 68.9475729317. For example, 10 psi = 689.47572932 mbar, and 100 psi = 6,894.75729317 mbar.
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Quick reference — psi to millibar
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How to convert PSI to millibars
How many millibars are in a PSI? 1 PSI is about 68.94757 millibars. This free psi to mbar converter and PSI to millibar calculator gives the answer instantly for any value.
To convert PSI (psi) to millibar (mbar), multiply the value in PSI by 68.9475729317.
mbar = psi × 68.9475729317
- 1
Take the value in PSI
For example, 25 psi.
- 2
Multiply by 68.9475729317
25 × 68.9475729317.
- 3
Read the answer in millibars
25 psi = 1,723.68932329 mbar.
PSI to Millibar conversion table
Common values from 1 to 1,000 PSI converted to millibars.
| PSI (psi) | Millibar (mbar) |
|---|---|
| 1 psi | 68.94757293 mbar |
| 2 psi | 137.89514586 mbar |
| 3 psi | 206.8427188 mbar |
| 4 psi | 275.79029173 mbar |
| 5 psi | 344.73786466 mbar |
| 6 psi | 413.68543759 mbar |
| 7 psi | 482.63301052 mbar |
| 8 psi | 551.58058345 mbar |
| 9 psi | 620.52815639 mbar |
| 10 psi | 689.47572932 mbar |
| 15 psi | 1,034.21359398 mbar |
| 20 psi | 1,378.95145863 mbar |
| 25 psi | 1,723.68932329 mbar |
| PSI (psi) | Millibar (mbar) |
|---|---|
| 30 psi | 2,068.42718795 mbar |
| 40 psi | 2,757.90291727 mbar |
| 50 psi | 3,447.37864658 mbar |
| 60 psi | 4,136.8543759 mbar |
| 70 psi | 4,826.33010522 mbar |
| 75 psi | 5,171.06796988 mbar |
| 80 psi | 5,515.80583453 mbar |
| 90 psi | 6,205.28156385 mbar |
| 100 psi | 6,894.75729317 mbar |
| 250 psi | 17,236.8932329 mbar |
| 500 psi | 34,473.7864658 mbar |
| 1,000 psi | 68,947.5729317 mbar |
About PSI and millibars
PSI (psi)
PSI is pounds-force per square inch, about 6,894.76 pascals. It is the common unit for tyre and air-compressor pressure.
Millibar (mbar)
A millibar (mbar) is 100 pascals, the same as a hectopascal. Weather forecasts quote atmospheric pressure in millibars.
psi to mbar: common questions
- How many millibars are in 1 PSI?
- 1 PSI is approximately equal to 68.94757 millibars (mbar). In short: 1 psi ≈ 68.94757 mbar.
- How do I convert PSI to millibars?
- To convert psi to mbar, multiply the value in PSI by 68.9475729317. For example, 5 psi = 344.73786466 mbar.
- How do I convert millibars to PSI?
- To convert mbar to psi, divide the value in millibars by 68.9475729317. Or open the Millibar to Psi converter, which does it for you.
- What is 10 psi in mbar, and what is 100 psi?
- 10 psi = 689.47572932 mbar, and 100 psi = 6,894.75729317 mbar. The table above lists more values from 1 to 1,000.
- Is this psi to mbar converter accurate?
- Yes. It uses the exact conversion factor and shows results to as many as 8 decimal places, so you can rely on it for study, work and everyday measuring.
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