Standard atmospheres to Millibars
1 atm ≈ 1,013 mbar. Edit either value to convert instantly.
Conversion formula
mbar = atm × (101,325) × (0.01)1 atm = 1,013.25 mbar
standard atmosphere (atm)
Standard atmosphere is a unit of pressure: 1 atm = 101,325 Pa.
Source: NIST SP 811, Appendix B.9: conversion factors by quantity
millibar (mbar)
Millibar is a unit of pressure: 1 mbar = 100 Pa.
Source: NIST SP 811, Appendix B.9: conversion factors by quantity
Conversion table
| atm | mbar |
|---|---|
| = 1,013.25 | |
| = 2,026.5 | |
| = 5,066.25 | |
| = 10,132.5 | |
| ≈ 15,198.8 | |
| = 20,265 | |
| ≈ 25,331.3 | |
| = 30,397.5 | |
| = 40,530 | |
| ≈ 45,596.3 |
| atm | mbar |
|---|---|
| = 50,662.5 | |
| = 60,795 | |
| = 70,927.5 | |
| = 81,060 | |
| = 91,192.5 | |
| = 101,325 | |
| ≈ 151,988 | |
| = 162,120 | |
| ≈ 172,253 | |
| = 182,385 |
Frequently asked questions
How many millibars are in 1 standard atmosphere?
1 atm ≈ 1,013 mbar. mbar = atm × (101,325) × (0.01)
How do I convert atm to mbar?
mbar = atm × (101,325) × (0.01)
Is 1 standard atmosphere bigger than 1 millibar?
1 atm ≈ 1,013 mbar.
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