Mmhg full form: The meaning of MM

The meaning of MM HG is a unit of pressure equal to the pressure exerted by a column of mercury 1 millimeter high at 0°C and under the acceleration of gravity and nearly equivalent to 1 torr (about 133.3 pascals). Learn what mmHg stands for, how to convert it to other pressure units, and why it's important in medicine and industry. Find out the cultural and regional differences in measuring mmHg across the world. mmHg stands for millimetres of mercury, a unit of pressure used to measure blood pressure. Learn more about the meaning, usage and translations of mmHg in different languages. mm Hg Millimetres of mercury. A measure of blood pressure, referring to the height to which the pressure in the blood vessels push a column of mercury.