mmHg to psi converter

1 millimeters of mercury equals 0.01933678 pounds per square inch. Conversions use psi = mmHg × 0.019337

mmHg → 0.01933678 psi

psi = mmHg × 0.019337

Converter

Worked examples

1 mmHg = 0.01933678 psi
2 mmHg = 0.03867355 psi
5 mmHg = 0.09668389 psi
10 mmHg = 0.19336777 psi
100 mmHg = 1.933678 psi

millimeters of mercury to pounds per square inch conversion table

mmHg	psi	Arithmetic
1 mmHg	0.01933678 psi	× 0.019337
2 mmHg	0.03867355 psi	× 0.019337
3 mmHg	0.05801033 psi	× 0.019337
4 mmHg	0.07734711 psi	× 0.019337
5 mmHg	0.09668389 psi	× 0.019337
6 mmHg	0.11602066 psi	× 0.019337
8 mmHg	0.15469422 psi	× 0.019337
10 mmHg	0.19336777 psi	× 0.019337
12 mmHg	0.23204133 psi	× 0.019337
15 mmHg	0.29005166 psi	× 0.019337
20 mmHg	0.38673555 psi	× 0.019337
25 mmHg	0.48341944 psi	× 0.019337
30 mmHg	0.58010332 psi	× 0.019337
40 mmHg	0.7734711 psi	× 0.019337
50 mmHg	0.96683887 psi	× 0.019337
60 mmHg	1.160207 psi	× 0.019337
70 mmHg	1.353574 psi	× 0.019337
80 mmHg	1.546942 psi	× 0.019337
90 mmHg	1.74031 psi	× 0.019337
100 mmHg	1.933678 psi	× 0.019337

How to convert mmHg to psi

Take your value in millimeters of mercury.
Multiply by 0.019337
That is your answer in pounds per square inch — no rounding needed until you choose a display precision.

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Questions

How many pounds per square inch in 1 millimeters of mercury?

Exactly 0.01933678 psi. The factor follows from the definitions of both units, not from a measurement, so it is exact.

How do I convert mmHg to psi?

Multiply the millimeters of mercury figure by 0.019337 — or use the converter above, which updates as you type.

Is mmHg to psi the same as psi to mmHg?

No — they are inverses. One mmHg is 0.01933678 psi, while one psi is 51.714925 mmHg.

What is 1 mmHg in psi?

1 mmHg = 0.01933678 psi (see the value page for the full arithmetic).