Common Converters

Convert Millibars to Standard Atmospheres

Use our accurate converter to change millibars into standard atmospheres. This tool is simple to use and works instantly.

How to Calculate

To change millibars to standard atmospheres, you just need to know the conversion factor.

Rule: 1 Millibars = 0.0009869233 Standard Atmospheres

Millibars to Standard Atmospheres
Pre-defined calculator for direct millibars to standard atmospheres conversion.
Millibars (mbar)
0
Standard Atmospheres (atm)
Formula: 1 Millibars = 0.00098692 Standard

Unit Information

About Millibars

Definition: A millibar is equal to 1/1000 of a bar.

History: It was the main unit used in weather reporting for a long time.

Where it is used: Still used by some weather tools and on older sensors.

Millibars to Standard Atmospheres Conversion Table

Millibars [mbar]Standard Atmospheres [atm]
0.01 mbar0.0000098692 atm
0.1 mbar0.0000986923 atm
1 mbar0.0009869233 atm
2 mbar0.0019738465 atm
3 mbar0.0029607698 atm
5 mbar0.0049346163 atm
10 mbar0.0098692327 atm
20 mbar0.0197384653 atm
50 mbar0.0493461633 atm
100 mbar0.0986923267 atm
1000 mbar0.9869232667 atm

How to Convert Millibars to Standard Atmospheres

Calculation: To convert millibars to standard atmospheres, multiply the value by the conversion factor (0.0009869233).

Example: convert 15 mbar to atm:
15 mbar = 15 × 0.0009869233 atm = 0.014803849 atm

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