atmosphere to millibar
Live atmosphere (atm) to millibar (mbar) converter. Plus a 10-value reference table and FAQs.
Conversion table
Ten sample values from atmosphere to millibar. Use the converter above for arbitrary values.
| atmosphere (atm) | → | millibar (mbar) |
|---|---|---|
| 0.001 atm | → | 1.01325 mbar |
| 0.01 atm | → | 10.1325 mbar |
| 0.1 atm | → | 101.325 mbar |
| 0.5 atm | → | 506.625 mbar |
| 1 atm | → | 1,013.25 mbar |
| 2 atm | → | 2,026.5 mbar |
| 5 atm | → | 5,066.25 mbar |
| 10 atm | → | 10,132.5 mbar |
| 100 atm | → | 101,325 mbar |
| 1,000 atm | → | 1,013,250 mbar |
About the atmosphere
Standard atmospheric pressure at sea level.
About the millibar
100 Pa. Meteorology.
How atmosphere to millibar conversion works
Both units belong to Pressure. Unitbox first expresses the input in the category reference unit (Pa), then expresses that same quantity in millibar.
The right unit depends on the convention used by your industry, country, instrument, or source document.
Unit definitions and conversion factors are maintained in the Unitbox methodology. Last reviewed with the current conversion dataset.
Frequently asked questions
Frequently Asked Questions
How do I convert atmosphere to millibar?
Multiply the atmosphere value by 1,013.25 to get it in millibar. For example, 10 atm = 10,132.5 mbar.
What is 1 atm in mbar?
1 atm = 1,013.25 mbar.
What is 100 atm in mbar?
100 atm = 101,325 mbar.
What is the formula?
Linear: multiply by 1,013.25 (the unit factor ratio).
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