Convert millimeter of mercury to inch of mercury

1 mmHg = 0.03937007874 inHg

1 mmHg = 0.0394 inHg
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 0.03937007874 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