Calculators can be used to convert measurements from one unit to another

Convert Millibars to Atmospheres

Convert from millibars to atmospheres with this simple formula:
atmospheres = millibars × 0.000987
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1 Millibar = 0.000987 Atmospheres

Learn How to Convert Millibars to Atmospheres Using our Conversion Formula

Converting a millibar pressure measurement to an atmosphere measurement involves multiplying your pressure by the conversion ratio to find the result. A millibar is equal to 0.000987 atmospheres, so to convert simply multiply by 0.000987.

For example, 5 millibars = (5 × 0.000987) = 0.004935atm.

Millibars and atmospheres are both units used to measure pressure. Learn more about pressure and find more pressure measurement conversion calculators. A millibar is a metric measurement. An atmosphere is a pressure measurement and can be abbreviated as atm, for example 1atm. Learn more about the metric system, including the common unit prefixes and how to convert between metric units.

millibars and atmospheres are units used to measure pressure
Convert Atmospheres to Millibars

More Pressure Conversions

Convert to Pascals Pressure
1 millibars is equal to 100 pascals
Convert to Hectopascals Pressure
1 millibars is equal to 1 hectopascals
Convert to Bars Pressure
1 millibars is equal to 0.001 bars
Convert to Kilograms Per Square Centimeter Pressure
1 millibars is equal to 0.00102 kilograms per square centimeter
Convert to Kilograms Per Square Meter Pressure
1 millibars is equal to 10.197162 kilograms per square meter
Convert to Pounds Per Square Inch Pressure
1 millibars is equal to 0.014504 pounds per square inch
Convert to Pounds Per Square Foot Pressure
1 millibars is equal to 2.088546 pounds per square foot
Convert to Torr Pressure
1 millibars is equal to 0.750062 torr

Millibar Measurements and Equivalent Atmosphere Conversions

Common millibar values converted to the equivalent atmosphere value
Millibars Atmospheres Millibars Atmospheres Millibars Atmospheres
1 0.000987 21 0.020725 41 0.040464
2 0.001974 22 0.021712 42 0.041451
3 0.002961 23 0.022699 43 0.042438
4 0.003948 24 0.023686 44 0.043425
5 0.004935 25 0.024673 45 0.044412
6 0.005922 26 0.02566 46 0.045398
7 0.006908 27 0.026647 47 0.046385
8 0.007895 28 0.027634 48 0.047372
9 0.008882 29 0.028621 49 0.048359
10 0.009869 30 0.029608 50 0.049346
11 0.010856 31 0.030595 51 0.050333
12 0.011843 32 0.031582 52 0.05132
13 0.01283 33 0.032568 53 0.052307
14 0.013817 34 0.033555 54 0.053294
15 0.014804 35 0.034542 55 0.054281
16 0.015791 36 0.035529 56 0.055268
17 0.016778 37 0.036516 57 0.056255
18 0.017765 38 0.037503 58 0.057242
19 0.018752 39 0.03849 59 0.058228
20 0.019738 40 0.039477 60 0.059215