Standard atmospheres to millibars
1 standard atmosphere in millibars
1 atm = 1,013.25 mbar
mbar = atm × 1,013.25
To convert standard atmospheres to millibars, multiply by 1,013.25. The table below gives the values people look up most often, and the converter works for any number.
Standard atmospheres to millibars table
| Standard atmospheres | Millibars |
|---|---|
| 1 atm | 1,013.25 |
| 2 atm | 2,026.5 |
| 3 atm | 3,039.75 |
| 4 atm | 4,053 |
| 5 atm | 5,066.25 |
| 10 atm | 10,132.5 |
| 15 atm | 15,198.75 |
| 20 atm | 20,265 |
| 25 atm | 25,331.25 |
| 30 atm | 30,397.5 |
| 40 atm | 40,530 |
| 50 atm | 50,662.5 |
| 75 atm | 75,993.75 |
| 100 atm | 101,325 |
| 250 atm | 253,312.5 |
| 500 atm | 506,625 |
| 1,000 atm | 1,013,250 |
How the conversion works
The relationship is mbar = atm × 1,013.25. Both units measure pressure, so the conversion is a fixed factor that never changes.
Common questions
- How many millibars are in one standard atmosphere?
- One standard atmosphere equals 1,013.25 millibars. mbar = atm × 1,013.25.
- How do you convert standard atmospheres to millibars?
- Use mbar = atm × 1,013.25. So 10 atm is 10,132.5 mbar.
- How many standard atmospheres are in one millibar?
- One millibar equals 0.0009869 standard atmospheres, which is the reverse of the conversion above.
Related pages
Sources
- Guide for the Use of the International System of Units (SP 811) — NIST (Public domain (US Government))
- The International System of Units (SI Brochure) — Bureau International des Poids et Mesures
- Calculated on this page — At One Place