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Convert Pound Per Square Inch to Bar (psi to bar)

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


Pound Per Square Inch (abbreviations: psi, or lb/in2): is a unit of pressure or of stress based on avoirdupois units. It is the pressure resulting from a force of one pound-force applied to an area of one square inch.

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.

How to Convert Pounds Per Square Inches to Bars

Example: How many Bars are equivalent to 42.68 pounds per square inches?


1 pounds per square inches = 0.06895 Bars

42.68 pounds per square inches = Y Bars

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

Y equals 42.68 times 0.06895 over 1

(i.e.) Y = 42.68 * 0.06895 / 1 = 2.942786 Bars

Answer is: 2.942786 Bars are equivalent to 42.68 pounds per square inches.

Practice Question: Convert the following units into bar:

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

( i ) 15.77 psi

( ii ) 41.17 psi

( iii ) 1.3 psi

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  • USMA
  • NIST

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