Direct conversion
Convert bar [bar] to millibar [mbar] instantly with formula, examples, chart, and FAQs.
Quick answer
Use the calculator below for any custom value, then check the formula, examples, chart, and reverse conversion links.
1 bar [bar] = 1000 millibar [mbar]
1 bar [bar] = 1000 millibar [mbar]
Example: 1 bar [bar] equals 1000 millibar [mbar].
Pressure conversions use pascal as the reference unit and include common engineering, weather, tire, and laboratory pressure units.
Displayed results are rounded for readability. The calculator keeps enough precision for everyday use and switches to scientific notation for very large or very small values. Last reviewed: 2026-05-21.
The bar is a metric pressure unit equal to 100,000 pascals.
HistoryThe bar was introduced as a convenient pressure unit close to atmospheric pressure.
Current useBars are used for tire pressure, compressors, diving, weather, hydraulics, and industrial gauges.
The millibar (mbar) is a pressure unit used to express measurements in this converter.
HistoryThis unit is included because it appears in practical measurement systems, technical references, product specifications, or everyday conversion needs.
Current useUse millibar when comparing pressure values, checking specifications, converting between systems, or preparing quick estimates.
| bar [bar] | millibar [mbar] |
|---|---|
| 1 | 1000 |
| 2 | 2000 |
| 5 | 5000 |
| 10 | 10000 |
| 20 | 20000 |
| 25 | 25000 |
| 50 | 50000 |
| 100 | 100000 |
| 1000 | 1000000 |
Use this formula: 1 bar [bar] = 1000 millibar [mbar] Enter your value in the calculator and the result updates instantly.
1 bar [bar] equals 1000 millibar [mbar].
Yes. Use the swap button in the calculator or open the related reverse conversion link when it is listed on this page.