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Convert Pound Per Square Foot to Atmosphere (psf to atm)

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

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Definitions:

Pound Per Square Foot (abbreviations: psf, or lb/ft2): is a British (Imperial) and American pressure unit which is directly related to the psi pressure unit by a factor of 144 (1 sq ft = 12 in x 12 in = 144 sq in). Where, 1 pound per square foot equals 47.8803 pascals.

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


How to Convert Pounds Per Square Feet to Atmospheres

Example: How many Atmospheres are equivalent to 71.17 pounds per square feet?


As;

1 pounds per square feet = 0.00047267423142553 Atmospheres

71.17 pounds per square feet = Y Atmospheres

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

Y equals 71.17 times 0.00047267423142553 over 1

(i.e.) Y = 71.17 * 0.00047267423142553 / 1 = 0.033640225050555 Atmospheres

Answer is: 0.033640225050555 Atmospheres are equivalent to 71.17 pounds per square feet.


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 ) 3.39 psf

( ii ) 93.42 psf

( iii ) 91.37 psf


References
  • Wikipedia
  • USMA
  • NIST

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