Convert inch of mercury to foot of water column

1 inHg = 1.132925008 ft H₂O

1 inHg = 1.13 ft H₂O
1 inHg in every pressure unit
pascal3,390 Pa
kilopascal3.39 kPa
megapascal0.00339 MPa
bar0.0339 bar
atmosphere0.0334 atm
millimeter of mercury25.4 mmHg
pound per square inch0.491 psi
foot of water column1.13 ft H₂O
gigapascal0.00000339 GPa
kip per square inch0.000491 ksi
inch of mercury1 inHg
inch of water column13.6 in w.g.
How the conversion works

Multiply by 1.132925008 to go from inch of mercury to foot of water column, or divide by it to go back. Every conversion on this site routes through the SI value (Pa) rather than a table of pairwise factors, so a round-trip returns exactly what you started with.

Going the other way? foot of water column to inch of mercury — 1 ft H₂O = 0.8826709564 inHg.

inch of mercury to foot of water column — common values
1 inHg1.132925 ft H₂O
2 inHg2.26585 ft H₂O
3 inHg3.398775 ft H₂O
5 inHg5.664625 ft H₂O
10 inHg11.32925 ft H₂O
15 inHg16.993875 ft H₂O
20 inHg22.6585 ft H₂O
25 inHg28.323125 ft H₂O
50 inHg56.64625 ft H₂O
75 inHg84.969376 ft H₂O
100 inHg113.2925 ft H₂O
250 inHg283.23125 ft H₂O
500 inHg566.4625 ft H₂O
1000 inHg1,132.925 ft H₂O