Convert torr to femtopascal
Please provide values below to convert torr [Torr] to femtopascal [fPa], or Convert femtopascal to torr.
How to Convert Torr to Femtopascal
1 Torr = 1.33322368e+17 fPa
Example: convert 15 Torr to fPa:
15 Torr = 15 × 1.33322368e+17 fPa = 1.99983552e+18 fPa
Torr to Femtopascal Conversion Table
| torr | femtopascal |
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Torr
The torr is a unit of pressure defined as 1 millimeter of mercury (mmHg) at standard gravity and temperature, approximately equal to 133.322 pascals.
History/Origin
The torr was introduced by Evangelista Torricelli in 1644, based on his experiments with mercury barometers, as a unit to measure atmospheric pressure. It was historically used in meteorology and physics before the adoption of the pascal.
Current Use
Today, the torr is primarily used in fields like vacuum technology, physics, and medicine (e.g., blood pressure measurements), although it has largely been replaced by the pascal in most scientific contexts.
Femtopascal
The femtopascal (fPa) is a unit of pressure equal to 10^-15 pascals.
History/Origin
The femtopascal is a derived SI unit introduced as part of the International System of Units' effort to create a comprehensive set of prefixes for very small measurements, although it is rarely used in practice.
Current Use
The femtopascal is primarily used in scientific research involving extremely low pressure measurements, such as in nanotechnology and quantum physics, but it remains a theoretical unit with limited practical application.