Convert Bar to Millibar
Use this free converter to change bars (bar) into millibars (mbar). Bar and millibar both measure pressure. As a quick reference, 1 bar equals 1000 mbar, and 1 mbar equals 0.001 bar.
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Millibar (mbar)
1000
1 bar = 1000 mbar
Pressure conversion table
| Bar | Millibar |
|---|---|
| 0.01 | 10 |
| 0.1 | 100 |
| 0.5 | 500 |
| 1 | 1000 |
| 2 | 2000 |
| 3 | 3000 |
| 5 | 5000 |
| 10 | 10000 |
| 20 | 20000 |
| 25 | 25000 |
| 50 | 50000 |
| 100 | 100000 |
| 1,000 | 1000000 |
How to convert Bar to Millibar
Multiply the bar value by 1000 to get millibars.
- Enter the number of bars you want to convert.
- The converter instantly shows the equivalent value in millibars.
- Worked example: 15 bar × 1000 = 15000 mbar.
- Use the swap button to reverse the conversion (millibar to bar).
About these units
Bar (bar)
- Definition
- A bar is a metric pressure unit equal to 100,000 pascals, close to average sea-level atmospheric pressure.
- History
- It was introduced by meteorologist Vilhelm Bjerknes in the early 20th century.
- Current use
- Bars are used in meteorology, diving, and industry to express pressure.
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 bar?
There are 1000 mbar in 1 bar. To convert, multiply the number of bars by 1000.
How do I convert bars to millibars?
Multiply the bar value by 1000 to get millibars. For example, 10 bar = 10000 mbar.
Is this bar-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 Bar to other pressure units
| Unit | 1 Bar equals |
|---|---|
| Pascal (Pa) | 100000 Pa |
| Kilopascal (kPa) | 100 kPa |
| Pound per Square Inch (psi) | 14.503774 psi |
| Atmosphere (atm) | 0.98692327 atm |
| Torr (Torr) | 750.06169 Torr |
| Millibar (mbar) | 1000 mbar |