Direct conversion
Convert millibar [mbar] to bar [bar] instantly with formula, examples, chart, and FAQs.
1 millibar [mbar] = 0.001 bar [bar]
1 millibar [mbar] = 0.001 bar [bar]
Example: 1 millibar [mbar] equals 0.001 bar [bar].
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: 2026-08-14.
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.
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.
| millibar [mbar] | bar [bar] |
|---|---|
| 1 | 0.001 |
| 2 | 0.002 |
| 5 | 0.005 |
| 10 | 0.01 |
| 20 | 0.02 |
| 25 | 0.025 |
| 50 | 0.05 |
| 100 | 0.1 |
| 1000 | 1 |
Use this formula: 1 millibar [mbar] = 0.001 bar [bar] Enter your value in the calculator and the result updates instantly.
1 millibar [mbar] equals 0.001 bar [bar].
Yes. Use the swap button in the calculator or open the related reverse conversion link when it is listed on this page.