Convert foot of water column to inch of mercury

1 ft H₂O = 0.8826709564 inHg

1 ft H₂O = 0.88267 inHg
1 ft H₂O in every pressure unit
microbar29,891 μbar
barye29,891 Ba
millitorr22,420 mTorr
pascal2,989.1 Pa
millimeter of water column304.8 mmH₂O
pound per square foot62.428 lb/ft²
centimeter of water column30.48 cmH₂O
hectopascal29.891 hPa
millibar29.891 mbar
torr22.42 Torr
millimeter of mercury22.42 mmHg
inch of water column12 in w.g.
kilopascal2.9891 kPa
foot of water column1 ft H₂O
inch of mercury0.88267 inHg
pound per square inch0.43353 psi
meter of water column0.3048 m H₂O
decibar0.29891 dbar
kilogram-force per square centimeter0.03048 kgf/cm²
bar0.029891 bar
atmosphere0.0295 atm
megapascal0.0029891 MPa
kip per square inch0.00043353 ksi
gigapascal0.0000029891 GPa
million pounds per square inch4.3353e-07 Mpsi
How the conversion works

Multiply by 0.8826709564 to go from foot of water column to inch of mercury, 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? inch of mercury to foot of water column — 1 inHg = 1.132925008 ft H₂O.

foot of water column to inch of mercury — common values
1 ft H₂O0.88267096 inHg
2 ft H₂O1.7653419 inHg
3 ft H₂O2.6480129 inHg
5 ft H₂O4.4133548 inHg
10 ft H₂O8.8267096 inHg
15 ft H₂O13.240064 inHg
20 ft H₂O17.653419 inHg
25 ft H₂O22.066774 inHg
50 ft H₂O44.133548 inHg
75 ft H₂O66.200322 inHg
100 ft H₂O88.267096 inHg
250 ft H₂O220.66774 inHg
500 ft H₂O441.33548 inHg
1000 ft H₂O882.67096 inHg