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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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 mercury | Pounds per square inch |
|---|---|
| 1 mmHg | 0.01933678 psi |
| 2 mmHg | 0.03867355 psi |
| 5 mmHg | 0.09668389 psi |
| 10 mmHg | 0.1933678 psi |
| 15 mmHg | 0.2900517 psi |
| 20 mmHg | 0.3867355 psi |
| 25 mmHg | 0.4834194 psi |
| 28 mmHg | 0.5414298 psi |
| 30 mmHg | 0.5801033 psi |
| 32 mmHg | 0.6187769 psi |
| 35 mmHg | 0.6767872 psi |
| 40 mmHg | 0.7734711 psi |
| 45 mmHg | 0.870155 psi |
| 50 mmHg | 0.9668389 psi |
| 60 mmHg | 1.160207 psi |
| 80 mmHg | 1.546942 psi |
| 100 mmHg | 1.933678 psi |
| 500 mmHg | 9.668389 psi |
| 760 mmHg | 14.69595 psi |
| 1,000 mmHg | 19.33678 psi |
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Other pressure conversions
⇄ Pounds per square inch to Millimetres of mercuryMillimetres of mercury to PascalsMillimetres of mercury to KilopascalsMillimetres of mercury to BarMillimetres of mercury to Standard atmospheres
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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