Convert millimeter of mercury to inch of mercury

1 mmHg = 0.03937007874 inHg

1 mmHg = 0.03937 inHg
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 0.03937007874 to go from millimeter of mercury 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 millimeter of mercury — 1 inHg = 25.4 mmHg.

millimeter of mercury to inch of mercury — common values
1 mmHg0.039370079 inHg
2 mmHg0.078740157 inHg
3 mmHg0.11811024 inHg
5 mmHg0.19685039 inHg
10 mmHg0.39370079 inHg
15 mmHg0.59055118 inHg
20 mmHg0.78740157 inHg
25 mmHg0.98425197 inHg
50 mmHg1.9685039 inHg
75 mmHg2.9527559 inHg
100 mmHg3.9370079 inHg
250 mmHg9.8425197 inHg
500 mmHg19.685039 inHg
1000 mmHg39.370079 inHg