Torr
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Approximately 1/760 of an atmosphere
About Torr (Torr)
Named after the Italian physicist Evangelista Torricelli, who invented the mercury barometer in 1644, the torr is approximately equal to one millimeter of mercury. Vacuum technology, thin-film deposition, and freeze-drying processes specify pressures in torr, with ultra-high vacuum defined as below 10^-9 torr.
- Category
- Pressure
- Symbol
- Torr
- Also known as
- torrs
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Frequently Asked Questions
What is a Torr (Torr)?
Approximately 1/760 of an atmosphere
How many Pascal (Pa) are in one Torr (Torr)?
One Torr (Torr) equals 133.3224 Pascal (Pa).
How many Kilopascal (kPa) are in one Torr (Torr)?
One Torr (Torr) equals 0.133322 Kilopascal (kPa).
How many Megapascal (MPa) are in one Torr (Torr)?
One Torr (Torr) equals 0.0001333224 Megapascal (MPa).
How do I convert Torr to Pascal?
To convert Torr to Pascal, multiply the value by 133.3224 (1 Torr = 133.3224 Pa).