Convert bars to millibars
1 bar = 1000 mbar — exactly. Both units are defined against the SI, so this factor is a fraction, not an approximation.
1000mbar
1 bar = 1000 mbar
How to convert bars to millibars
Multiply the number of bars by 1000 to get millibars.
The exact factor is 1000 .
Bar: Exactly 100 kPa. Close to atmospheric pressure, which is why it caught on.
Millibar: Identical to the hectopascal used on modern weather charts.
Bar to Millibar conversion table
| Bars (bar) | Millibars (mbar) |
|---|---|
| 1 bar | 1000 |
| 2 bar | 2000 |
| 3 bar | 3000 |
| 5 bar | 5000 |
| 10 bar | 10 000 |
| 20 bar | 20 000 |
| 25 bar | 25 000 |
| 50 bar | 50 000 |
| 100 bar | 100 000 |
| 250 bar | 250 000 |
| 500 bar | 500 000 |
| 1000 bar | 1 000 000 |
Millibar to Bar conversion table
| Millibars (mbar) | Bars (bar) |
|---|---|
| 1 mbar | 0.001 |
| 2 mbar | 0.002 |
| 3 mbar | 0.003 |
| 5 mbar | 0.005 |
| 10 mbar | 0.01 |
| 20 mbar | 0.02 |
| 25 mbar | 0.025 |
| 50 mbar | 0.05 |
| 100 mbar | 0.1 |
| 250 mbar | 0.25 |
| 500 mbar | 0.5 |
| 1000 mbar | 1 |
Frequently asked
How many millibars are in a bar?
One bar equals 1000 millibars (bar → mbar). That figure is exact, not rounded.
How do you convert bars to millibars?
Multiply the number of bars by 1000 to get millibars.
What is 1 mbar in bars?
One millibar is 0.001 bars.
What is 10 bar in mbar?
10 bar = 10 000 mbar.
What exactly is a bar?
Exactly 100 kPa. Close to atmospheric pressure, which is why it caught on.
What exactly is a millibar?
Identical to the hectopascal used on modern weather charts.