Convert Atmosphere to Pascal (atm to pa)

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


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

Pascal (abbreviations: Pa, or N/m2): is the SI derived unit of pressure used to quantify internal pressure, stress, Young's modulus and ultimate tensile strength. It is one newton per square meter. It is named after the French polymath Blaise Pascal.

How to Convert Atmospheres to Pascals

Example: How many pascals are equivalent to 18.99 Atmospheres?


1 Atmospheres = 101325 pascals

18.99 Atmospheres = Y pascals

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

Y equals 18.99 times 101325 over 1

(i.e.) Y = 18.99 * 101325 / 1 = 1924161.75 pascals

Answer is: 1924161.75 pascals are equivalent to 18.99 Atmospheres.

Practice Question: Convert the following units into pa:

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

( i ) 34.01 atm

( ii ) 49.09 atm

( iii ) 66.95 atm

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  • NIST

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