Convert Pound per Square Inch to Millibar
Use this free converter to change pounds per square inch (psi) into millibars (mbar). Pound per square inch and millibar both measure pressure. As a quick reference, 1 psi equals 68.947573 mbar, and 1 mbar equals 0.014503774 psi.
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Millibar (mbar)
68.947573
1 psi = 68.947573 mbar
Pressure conversion table
| Pound per Square Inch | Millibar |
|---|---|
| 0.01 | 0.68947573 |
| 0.1 | 6.8947573 |
| 0.5 | 34.473786 |
| 1 | 68.947573 |
| 2 | 137.89515 |
| 3 | 206.84272 |
| 5 | 344.73786 |
| 10 | 689.47573 |
| 20 | 1378.9515 |
| 25 | 1723.6893 |
| 50 | 3447.3786 |
| 100 | 6894.7573 |
| 1,000 | 68947.573 |
How to convert Pound per Square Inch to Millibar
Multiply the pound per square inch value by 68.947573 to get millibars.
- Enter the number of pounds per square inch you want to convert.
- The converter instantly shows the equivalent value in millibars.
- Worked example: 15 psi × 68.947573 = 1034.2136 mbar.
- Use the swap button to reverse the conversion (millibar to pound per square inch).
About these units
Pound per Square Inch (psi)
- Definition
- Pounds per square inch (psi) is an imperial pressure unit, the force of one pound over one square inch.
- History
- It developed with the imperial system and steam-engine engineering.
- Current use
- Psi is the common pressure unit for tyres and compressed gas in the United States.
Millibar (mbar)
- Definition
- A millibar (mbar) is one thousandth of a bar, equal to 100 pascals (one hectopascal).
- History
- It became the traditional unit of meteorological pressure in the 20th century.
- Current use
- Millibars (or equivalent hectopascals) report atmospheric pressure on weather charts.
Frequently asked questions
How many millibars are in a pound per square inch?
There are 68.947573 mbar in 1 psi. To convert, multiply the number of pounds per square inch by 68.947573.
How do I convert pounds per square inch to millibars?
Multiply the pound per square inch value by 68.947573 to get millibars. For example, 10 psi = 689.47573 mbar.
Is this pound per square inch-to-millibar converter free?
Yes. This converter is completely free, runs entirely in your browser, and requires no sign-up. Your inputs never leave your device.
Convert Pound per Square Inch to other pressure units
| Unit | 1 Pound per Square Inch equals |
|---|---|
| Pascal (Pa) | 6894.7573 Pa |
| Kilopascal (kPa) | 6.8947573 kPa |
| Bar (bar) | 0.068947573 bar |
| Atmosphere (atm) | 0.068045964 atm |
| Torr (Torr) | 51.714933 Torr |
| Millibar (mbar) | 68.947573 mbar |