Convert inch of water column to inch of mercury

1 in w.g. = 0.07355591303 inHg

1 in w.g. = 0.073556 inHg
1 in w.g. in every pressure unit
microbar2,490.9 μbar
barye2,490.9 Ba
millitorr1,868.3 mTorr
pascal249.09 Pa
millimeter of water column25.4 mmH₂O
pound per square foot5.2023 lb/ft²
centimeter of water column2.54 cmH₂O
hectopascal2.4909 hPa
millibar2.4909 mbar
torr1.8683 Torr
millimeter of mercury1.8683 mmHg
inch of water column1 in w.g.
kilopascal0.24909 kPa
foot of water column0.083333 ft H₂O
inch of mercury0.073556 inHg
pound per square inch0.036127 psi
meter of water column0.0254 m H₂O
decibar0.024909 dbar
kilogram-force per square centimeter0.00254 kgf/cm²
bar0.0024909 bar
atmosphere0.0024583 atm
megapascal0.00024909 MPa
kip per square inch0.000036127 ksi
gigapascal2.4909e-07 GPa
million pounds per square inch3.6127e-08 Mpsi
How the conversion works

Multiply by 0.07355591303 to go from inch 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 inch of water column — 1 inHg = 13.59510009 in w.g..

inch of water column to inch of mercury — common values
1 in w.g.0.073555913 inHg
2 in w.g.0.14711183 inHg
3 in w.g.0.22066774 inHg
5 in w.g.0.36777957 inHg
10 in w.g.0.73555913 inHg
15 in w.g.1.1033387 inHg
20 in w.g.1.4711183 inHg
25 in w.g.1.8388978 inHg
50 in w.g.3.6777957 inHg
75 in w.g.5.5166935 inHg
100 in w.g.7.3555913 inHg
250 in w.g.18.388978 inHg
500 in w.g.36.777957 inHg
1000 in w.g.73.555913 inHg