Millibars to Atmospheres

Convert millibars (mbar) to atmospheres (atm) with formulas, examples, and conversion tables.

mbar
atm
1 mbar = 0.000987 atm
Full precision:0.00098692 atm
Step-by-Step Solution

To convert 1 millibars to atmospheres, we divide by 1013.25 because one atmosphere equals exactly 1013.25 millibars.

1 atmosphere = 1013.25 millibars

Since there are 1013.25 millibars in every atmosphere, we divide our value by this factor:

1 ÷ 1013.25 = 0.000987 atmospheres

So 1 millibars = 0.000987 atmospheres.

Quick check: 0.000987 × 1013.25 = 1 millibars

How to Convert Millibars to Atmospheres

To convert millibars to atmospheres, divide the value by 1013.25.

The Formula

Atmospheres = Millibars ÷ 1013.25

Key Fact

1 atmosphere = 1013.25 millibars

Tip: To convert atmospheres back to millibars, multiply by 1013.25.

Example Conversions

Example 1: 1 mbar = 0.000987 atm
1 ÷ 1013.25 = 0.000987
Example 2: 5 mbar = 0.004935 atm
5 ÷ 1013.25 = 0.004935
Example 3: 10 mbar = 0.009869 atm
10 ÷ 1013.25 = 0.009869

Millibars to Atmospheres Table

MillibarsAtmospheres
1 mbar0.000987 atm
2 mbar0.001974 atm
5 mbar0.004935 atm
10 mbar0.009869 atm
20 mbar0.019738 atm
25 mbar0.024673 atm
50 mbar0.049346 atm
100 mbar0.098692 atm
250 mbar0.24673 atm
500 mbar0.49346 atm
1000 mbar0.98692 atm

1 Millibar in Other Units

Unit1 mbar =
Millibars to Pascals100 Pa
Millibars to Kilopascals0.1 kPa
Millibars to Megapascals0.0001 MPa
Millibars to Hectopascals1 hPa
Millibars to Bars0.001 bar
Millibars to PSI0.014504 psi
Millibars to PSF2.0885 psf
Millibars to Atmospheres0.00098692 atm
Millibars to Torr0.75006 Torr
Millibars to mmHg0.75006 mmHg
Millibars to inHg0.02953 inHg

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