Atmosphere to Millibar (atm to mbar)
Convert atm to mbar — Pressure converter
One atmosphere equals 1013.25 mbar, so to convert atmospheres to millibars you multiply the value by 1013.25. A atmosphere is larger than a millibar — going the other way, 1 mbar = 0.0009869233 atm. For example, 10 atm = 10132.5 mbar and 50 atm = 50662.5 mbar.
1013.25Click to copy
1 atm = 1013.25 mbar
Atmosphere to Millibar formula
1 Atmosphere = 1013.25 mbar
Worked examples
- 25 atm = 25331.25 mbar
- 100 atm = 101325 mbar
Atmosphere to Millibar conversion table
| Atmosphere (atm) | Millibar (mbar) |
|---|---|
| 1 | 1013.25 |
| 2 | 2026.5 |
| 3 | 3039.75 |
| 5 | 5066.25 |
| 8 | 8106 |
| 10 | 10132.5 |
| 12 | 12159 |
| 15 | 15198.75 |
| 20 | 20265 |
| 25 | 25331.25 |
| 50 | 50662.5 |
| 100 | 101325 |
| 250 | 253312.5 |
| 500 | 506625 |
| 1000 | 1013250 |
Frequently asked questions
How many millibars are in one atmosphere?
One atmosphere equals 1013.25 millibars (mbar).
How many atmospheres are in one millibar?
One millibar equals 0.0009869233 atmospheres (atm).
How do you convert atmospheres to millibars?
1 Atmosphere = 1013.25 mbar. Use the calculator above for any value.
What is 5 atm in mbar?
5 atm = 5066.25 mbar.
What is 100 atm in mbar?
100 atm = 101325 mbar.
What is 10 atm in mbar?
10 atm = 10132.5 mbar.
What is 20 atm in mbar?
20 atm = 20265 mbar.
Is a atmosphere bigger than a millibar?
Yes. A atmosphere is larger — one atmosphere equals 1013.25 millibars (mbar).