Convert Bar to Atmosphere (bar to atm)

In next fields, kindly type your value in the text box under title [ From: ] to convert from Bar to Atmosphere (bar to atm). As you type your value, the answer will be automatically calculated and displayed in the text box under title [ To: ].


Bar (abbreviation: bar): is a metric (still not approved by the International System of Units, SI) unit of pressure. It is exactly equal to 100,000 Pa and slightly lower than the current average atmospheric pressure on Earth, at sea level.

Atmosphere (abbreviation: atm): is a unit of standard pressure, equal to 101325 Pa, or 1.01325 bar.

How to Convert Bars to Atmospheres

Example: How many Atmospheres are equivalent to 83.24 Bars?


1 Bars = 0.987167 Atmospheres

83.24 Bars = Y Atmospheres

Assuming Y is the answer, and by criss-cross principle;

Y equals 83.24 times 0.987167 over 1

(i.e.) Y = 83.24 * 0.987167 / 1 = 82.17178108 Atmospheres

Answer is: 82.17178108 Atmospheres are equivalent to 83.24 Bars.

Practice Question: Convert the following units into atm:

N.B.: After working out the answer to each of the next questions, click adjacent button to see the correct answer.

( i ) 75.19 bar

( ii ) 34.5 bar

( iii ) 13.68 bar

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  • USMA
  • NIST

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