psi to Inches of Water Conversion

Use our psi to inches of water conversion tool to convert pressure in pounds per square inch to inH₂O.

Clear
Result27.6799 inH₂O1 psi converted
1 psi equals27.6799 inH₂O
1 inH₂O equals0.036127 psi

Pound per square inch to inch of water reference

pound per square inchinch of water
1 psi27.6799 inH₂O
2 psi55.3598 inH₂O
5 psi138.3995 inH₂O
10 psi276.7991 inH₂O
25 psi691.9976 inH₂O
50 psi1,384 inH₂O
100 psi2,767.99 inH₂O
500 psi13,839.95 inH₂O
1,000 psi27,679.91 inH₂O

How to convert pound per square inch to inch of water

One pound per square inch equals 27.67990582 inH₂O, so multiply the number of pound per square inchs by 27.67990582:

inH₂O = psi × 27.67990582

Going the other way

One inch of water equals 0.03612729055 psi, so to convert back:

psi = inH₂O × 0.03612729055

Both directions are shown in the results above, and the drop-downs let you convert between any pair of pressure units — not just these two.