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Convert inch of water to pound per square inch

Here you can quickly calculate how many pound per square inch fit in one inch of water.
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  • 1 inH₂O = 0.036127 psi
  • 1 psi = 27.679905 inH₂O

Example: inch of water to pound per square inch

  • 1 inch of water = 0.036127 pound per square inch

Inch of water to pound per square inch conversion table

inch of water pound per square inch
1 0.036127
2 0.072255
5 0.180636
10 0.361273
20 0.722546
50 1.806365
100 3.612729

Inch of water to pound per square inch formula

To convert inch of water to pound per square inch, multiply by 0.036127.

1 inH₂O = 0.036127 psi
Example: 1 inch of water = 0.036127 pound per square inch

Common pressure conversion mistakes

  • Tire pressure is quoted in bar in Europe and psi in the US: 1 bar is about 14.5 psi. The recommended 2.5 bar equals about 36 psi, inflating to '25 psi' on the assumption they match leaves the tire dangerously underinflated. Multiply bar by 14.5 to get psi.

Quick inch of water and pound per square inch conversion quiz

Score: 0

19.7 inch of water equals 0.712 pound per square inch.

Correct answer: 19.7 inch of water = 0.712 pound per square inch.

50 pound per square inch equals 2 770 inch of water.

Correct answer: 50 pound per square inch = 1 380 inch of water.

4 inch of water equals 0.145 pound per square inch.

Correct answer: 4 inch of water = 0.145 pound per square inch.

More pressure conversions