Millimeter of Mercury to PSI Converter
Convert millimeters of mercury to pounds per square inch instantly with a pressure calculator built for engineering checks, tire pressure, HVAC work, barometric readings, hydraulics, and technical reference.
mmHg to psi Calculator
Enter a pressure value and get the converted result automatically.
Result updates automatically.
Formula: pounds per square inch = millimeters of mercury × 0.0193367775
How to Convert Millimeter of Mercury to PSI
Use the standard pressure conversion factor: multiply millimeters of mercury by 0.0193367775 to get pounds per square inch. This reference is useful for tire pressure, industrial gauges, weather data, medical readings, fluid systems, and scientific calculations.
1 millimeter of mercury
0.0193367775 pounds per square inch
10 millimeters of mercury
0.1933677746 pounds per square inch
100 millimeters of mercury
1.9336777459 pounds per square inch
Pressure Formula Notes
The calculator converts through pascals as the SI base pressure unit, then formats the result for the selected output unit.
mmHg to PSI Converter FAQ
How do I convert mmHg to psi?
Multiply the mmHg value by 0.0193367775 to get psi. The calculator performs this automatically and keeps useful precision.
Which pressure units are supported?
This tool supports psi, bar, kPa, Pa, MPa, mmHg, and standard atmosphere units for common engineering and measurement tasks.
Can I reverse the pressure conversion?
Yes. Use the swap button to reverse the selected units and convert psi back to mmHg.