Millibar to Atmosphere (mbar to atm)
Convert mbar to atm — Pressure converter
One millibar equals 0.0009869233 atm, so to convert millibars to atmospheres you multiply the value by 0.0009869233. A millibar is smaller than a atmosphere — going the other way, 1 atm = 1013.25 mbar. For example, 10 mbar = 0.0098692327 atm and 50 mbar = 0.04934616 atm.
1 mbar = 0.0009869233 atm
Millibar to Atmosphere formula
1 Millibar = 0.0009869233 atm
Worked examples
- 25 mbar = 0.02467308 atm
- 100 mbar = 0.09869233 atm
Millibar to Atmosphere conversion table
| Millibar (mbar) | Atmosphere (atm) |
|---|---|
| 1 | 0.0009869233 |
| 2 | 0.0019738465 |
| 3 | 0.0029607698 |
| 5 | 0.0049346163 |
| 8 | 0.0078953861 |
| 10 | 0.0098692327 |
| 12 | 0.01184308 |
| 15 | 0.01480385 |
| 20 | 0.01973847 |
| 25 | 0.02467308 |
| 50 | 0.04934616 |
| 100 | 0.09869233 |
| 250 | 0.24673082 |
| 500 | 0.49346163 |
| 1000 | 0.98692327 |
Frequently asked questions
How many atmospheres are in one millibar?
One millibar equals 0.0009869233 atmospheres (atm).
How many millibars are in one atmosphere?
One atmosphere equals 1013.25 millibars (mbar).
How do you convert millibars to atmospheres?
1 Millibar = 0.0009869233 atm. Use the calculator above for any value.
What is 5 mbar in atm?
5 mbar = 0.0049346163 atm.
What is 100 mbar in atm?
100 mbar = 0.09869233 atm.
What is 10 mbar in atm?
10 mbar = 0.0098692327 atm.
What is 20 mbar in atm?
20 mbar = 0.01973847 atm.
Is a millibar bigger than a atmosphere?
No. A millibar is smaller — one millibar equals 0.0009869233 atmospheres, while one atmosphere equals 1013.25 millibars.