Millibars to Bars Converter
Convert millibars (mbar) to bars (bar), with the formula, a conversion table and exact factors.
Change the values and press Calculate to work out your own figures.
Enter a pressure, choose its unit and the unit you want. The answer is exact until it is shown, and the same value appears in every other unit.
Show the working
- 1 mbar = 0.001 bar
- 1 × 0.001 = 0.001 bar
How to convert millibars to bars
1 mbar = 0.001 bar, so multiply by 0.001 to go from millibars to bars. Going the other way, 1 bar = 1,000 mbar.
bar = mbar × 0.001 mbar = bar × 1,000
Worked example:
1 mbar = 0.001 bar 5 × 0.001 = 0.005 bar
Millibars to bars table
| Millibars | Bars |
|---|---|
| 1 mbar | 0.001 bar |
| 2 mbar | 0.002 bar |
| 3 mbar | 0.003 bar |
| 4 mbar | 0.004 bar |
| 5 mbar | 0.005 bar |
| 6 mbar | 0.006 bar |
| 7 mbar | 0.007 bar |
| 8 mbar | 0.008 bar |
| 9 mbar | 0.009 bar |
| 10 mbar | 0.01 bar |
| 15 mbar | 0.015 bar |
| 20 mbar | 0.02 bar |
| 25 mbar | 0.025 bar |
| 30 mbar | 0.03 bar |
| 40 mbar | 0.04 bar |
| 50 mbar | 0.05 bar |
| 75 mbar | 0.075 bar |
| 100 mbar | 0.1 bar |
| 250 mbar | 0.25 bar |
| 500 mbar | 0.5 bar |
| 1000 mbar | 1 bar |
About the units
- Millibars (mbar)
- Millibars, a metric unit. Definition: NIST SP 811 Appendix B.8, factors for units listed alphabetically.
- Bars (bar)
- Bars, a metric unit. Definition: NIST SP 811 Appendix B.8, factors for units listed alphabetically.
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