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Millimetres of mercury to Pounds per square inch

One millimetre of mercury is 0.01933678 pounds per square inch. Pressure units for tyres, weather and diving. Tyre placards are usually in psi or bar; barometers report in hPa or mmHg.

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0.01933678

1 millimetre of mercury = 0.01933678 pounds per square inch · open this conversion

Formula

pounds per square inch = millimetres of mercury × 0.0193367775

The millimetre of mercury used here is the conventional 133.322387415 Pa, defined from mercury density and standard gravity. It is very slightly larger than the torr, which is defined as exactly 1/760 of an atmosphere — so 760 mmHg is 1.00000014 atm, not exactly 1.

Millimetres of mercury to Pounds per square inch table

Millimetres of mercuryPounds per square inch
1 mmHg0.01933678 psi
2 mmHg0.03867355 psi
5 mmHg0.09668389 psi
10 mmHg0.1933678 psi
15 mmHg0.2900517 psi
20 mmHg0.3867355 psi
25 mmHg0.4834194 psi
28 mmHg0.5414298 psi
30 mmHg0.5801033 psi
32 mmHg0.6187769 psi
35 mmHg0.6767872 psi
40 mmHg0.7734711 psi
45 mmHg0.870155 psi
50 mmHg0.9668389 psi
60 mmHg1.160207 psi
80 mmHg1.546942 psi
100 mmHg1.933678 psi
500 mmHg9.668389 psi
760 mmHg14.69595 psi
1,000 mmHg19.33678 psi
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Other pressure conversions

Frequently asked questions

How many pounds per square inch are in a millimetre of mercury?
One millimetre of mercury is 0.01933678 pounds per square inch. pounds per square inch = millimetres of mercury × 0.0193367775.
How do I convert millimetres of mercury to pounds per square inch?
Multiply the number of millimetres of mercury by 0.0193367775. For example, 10 mmHg × 0.0193367775 = 0.1933678 psi.
What is the difference between millimetres of mercury and pounds per square inch?
Millimetre of mercury (mmHg) and Pound per square inch (psi) both measure pressure. Pressure units for tyres, weather and diving. Tyre placards are usually in psi or bar; barometers report in hPa or mmHg.
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