Convert millimeter of mercury to foot of water column

1 mmHg = 0.04460334676 ft H₂O

1 mmHg = 0.044603 ft H₂O
1 mmHg in every pressure unit
microbar1,333.2 μbar
barye1,333.2 Ba
millitorr1,000 mTorr
pascal133.32 Pa
millimeter of water column13.595 mmH₂O
pound per square foot2.7845 lb/ft²
centimeter of water column1.3595 cmH₂O
hectopascal1.3332 hPa
millibar1.3332 mbar
torr1 Torr
millimeter of mercury1 mmHg
inch of water column0.53524 in w.g.
kilopascal0.13332 kPa
foot of water column0.044603 ft H₂O
inch of mercury0.03937 inHg
pound per square inch0.019337 psi
meter of water column0.013595 m H₂O
decibar0.013332 dbar
kilogram-force per square centimeter0.0013595 kgf/cm²
bar0.0013332 bar
atmosphere0.0013158 atm
megapascal0.00013332 MPa
kip per square inch0.000019337 ksi
gigapascal1.3332e-07 GPa
million pounds per square inch1.9337e-08 Mpsi
How the conversion works

Multiply by 0.04460334676 to go from millimeter 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 millimeter of mercury — 1 ft H₂O = 22.41984229 mmHg.

millimeter of mercury to foot of water column — common values
1 mmHg0.044603347 ft H₂O
2 mmHg0.089206694 ft H₂O
3 mmHg0.13381004 ft H₂O
5 mmHg0.22301673 ft H₂O
10 mmHg0.44603347 ft H₂O
15 mmHg0.6690502 ft H₂O
20 mmHg0.89206694 ft H₂O
25 mmHg1.1150837 ft H₂O
50 mmHg2.2301673 ft H₂O
75 mmHg3.345251 ft H₂O
100 mmHg4.4603347 ft H₂O
250 mmHg11.150837 ft H₂O
500 mmHg22.301673 ft H₂O
1000 mmHg44.603347 ft H₂O