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mmHg to inHg converter

1 millimeters of mercury equals 0.03937007 inches of mercury. Conversions use inHg = mmHg × 0.03937

mmHg → 0.03937007 inHg

inHg = mmHg × 0.03937

Converter

Worked examples

1 mmHg = 0.03937007 inHg
2 mmHg = 0.07874015 inHg
5 mmHg = 0.19685037 inHg
10 mmHg = 0.39370075 inHg
100 mmHg = 3.937007 inHg

millimeters of mercury to inches of mercury conversion table

mmHg	inHg	Arithmetic
1 mmHg	0.03937007 inHg	× 0.03937
2 mmHg	0.07874015 inHg	× 0.03937
3 mmHg	0.11811022 inHg	× 0.03937
4 mmHg	0.1574803 inHg	× 0.03937
5 mmHg	0.19685037 inHg	× 0.03937
6 mmHg	0.23622045 inHg	× 0.03937
8 mmHg	0.3149606 inHg	× 0.03937
10 mmHg	0.39370075 inHg	× 0.03937
12 mmHg	0.47244089 inHg	× 0.03937
15 mmHg	0.59055112 inHg	× 0.03937
20 mmHg	0.78740149 inHg	× 0.03937
25 mmHg	0.98425186 inHg	× 0.03937
30 mmHg	1.181102 inHg	× 0.03937
40 mmHg	1.574803 inHg	× 0.03937
50 mmHg	1.968504 inHg	× 0.03937
60 mmHg	2.362204 inHg	× 0.03937
70 mmHg	2.755905 inHg	× 0.03937
80 mmHg	3.149606 inHg	× 0.03937
90 mmHg	3.543307 inHg	× 0.03937
100 mmHg	3.937007 inHg	× 0.03937

How to convert mmHg to inHg

Take your value in millimeters of mercury.
Multiply by 0.03937
That is your answer in inches of mercury — no rounding needed until you choose a display precision.

inHg to mmHg kPa to inHg bar to inHg psi to inHg atm to inHg mmHg to kPa mmHg to bar mmHg to psi mmHg to atm all pressure units

Questions

How many inches of mercury in 1 millimeters of mercury?

Exactly 0.03937007 inHg. The factor follows from the definitions of both units, not from a measurement, so it is exact.

How do I convert mmHg to inHg?

Multiply the millimeters of mercury figure by 0.03937 — or use the converter above, which updates as you type.

Is mmHg to inHg the same as inHg to mmHg?

No — they are inverses. One mmHg is 0.03937007 inHg, while one inHg is 25.400003 mmHg.

What is 1 mmHg in inHg?

1 mmHg = 0.03937007 inHg (see the value page for the full arithmetic).