atmospheres to millibars
Convert atmosphere to millibar — instant, free, with the formula shown.
1 atm=1013.25 mbar
How to convert atmosphere to millibar
To convert atmosphere to millibar, multiply by 1013.25:
mbar = atm × 1013.25
For example, 10 atm × 1013.25 = 10132.5 mbar.
atm to mbar conversion table
| atmospheres (atm) | millibars (mbar) |
|---|---|
| 1 atm | 1013.25 mbar |
| 2 atm | 2026.5 mbar |
| 5 atm | 5066.25 mbar |
| 10 atm | 10132.5 mbar |
| 25 atm | 25331.25 mbar |
| 50 atm | 50662.5 mbar |
| 100 atm | 101325 mbar |
| 250 atm | 253312.5 mbar |
| 500 atm | 506625 mbar |
| 1000 atm | 1013250 mbar |
Other atmosphere conversions
Convert to millibar from another unit
atm to mbar — frequently asked
How many millibars are in 1 atmosphere?
1 atmosphere = 1013.25 millibars (atm × 1013.25 = mbar).
What is the formula to convert atmosphere to millibar?
Multiply your atmosphere value by 1013.25 to get millibar.
How do I convert 10 atmospheres to millibars?
10 atm = 10132.5 mbar. For 100 atm the answer is 101325 mbar. Use the calculator on this page for any other value.