Convert Millimeters of Mercury (mmHg) to Pascals (Pa)
Enter a value below to convert Millimeters of Mercury (mmHg) to Pascals (Pa).
Conversion:
1 Millimeters of Mercury (mmHg) = 133.322 Pascals (Pa)
How to Convert Millimeters of Mercury (mmHg) to Pascals (Pa)
1 mmhg = 133.322 pa
1 pa = 0.0075006375542 mmhg
Example: convert 15 Millimeters of Mercury (mmHg) to Pascals (Pa):
25 mmhg = 3333.05 pa
Millimeters of Mercury (mmHg) to Pascals (Pa) Conversion Table
| Millimeters of Mercury (mmHg) | Pascals (Pa) |
|---|---|
| 0.01 mmhg | 1.33322 pa |
| 0.1 mmhg | 13.3322 pa |
| 1 mmhg | 133.322 pa |
| 2 mmhg | 266.644 pa |
| 3 mmhg | 399.966 pa |
| 5 mmhg | 666.61 pa |
| 10 mmhg | 1333.22 pa |
| 20 mmhg | 2666.44 pa |
| 50 mmhg | 6666.1 pa |
| 100 mmhg | 13332.2 pa |
| 1000 mmhg | 133322 pa |
Millimeters of Mercury (mmHg)
Definition
Millimeters of mercury (mmHg) is a unit of pressure based on the height of a mercury column, equal to approximately 133.322 pascals. It is nearly identical to the torr.
History
Millimeters of mercury originated from Torricelli's mercury barometer in the 17th century. Measuring pressure by mercury column height became the standard method for centuries and remains in medical practice.
Current use
mmHg is the standard unit for measuring blood pressure worldwide (e.g., 120/80 mmHg). It is also used in measuring intraocular pressure, cerebrospinal fluid pressure, and in some vacuum applications.
Pascals (Pa)
Definition
A pascal (Pa) is the SI unit of pressure, defined as one newton per square meter (1 Pa = 1 N/m²). It measures the force applied perpendicular to a surface per unit area.
History
The pascal was named after Blaise Pascal, the French mathematician and physicist who made pioneering contributions to fluid mechanics and pressure studies in the 17th century. It was adopted as the SI unit of pressure in 1971.
Current use
Pascals are the standard pressure unit in science and engineering worldwide. Atmospheric pressure, material stress, and sound pressure levels are all measured in pascals or their multiples.