Convert millimeter of mercury to foot of water column

1 mmHg = 0.04460334676 ft H₂O

1 mmHg = 0.0446 ft H₂O
1 mmHg in every pressure unit
pascal133 Pa
kilopascal0.133 kPa
megapascal0.000133 MPa
bar0.00133 bar
atmosphere0.00132 atm
millimeter of mercury1 mmHg
pound per square inch0.0193 psi
foot of water column0.0446 ft H₂O
gigapascal1.33e-07 GPa
kip per square inch0.0000193 ksi
inch of mercury0.0394 inHg
inch of water column0.535 in w.g.
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