Quad (unit)
Physical unit | |
---|---|
Unit name | Quad |
Unit symbol | |
Physical quantity (s) | (Thermal) energy |
Formula symbol | |
dimension | |
system | Anglo-American system of measurement |
In SI units | |
Named after | Quadrillion BTU |
Derived from | British thermal unit |
The Quad or QUAD is a unit of energy . Your unit symbol is quad . The quad does not belong to the International System of Units (SI) and is defined as 1 quadrillion British thermal units (Btu) . In the Anglo-American language area, the term one quadrillion is based on the short scale used there . Converted to SI units, is ( exajoules ).
The quad is used to indicate large amounts of energies, for example in national and global energy balances .
For example, the Energy Information Administration states the following primary energy consumption in quad for 2010 :
Switzerland | 1,265 quad |
Germany | 13,937 quad |
United States | 98.041 quad |
world | 510,551 quad |
Individual evidence
- ^ University of Illinois: Energy: Glossary , accessed April 27, 2014.
- ↑ WolframAlpha : quad as unit , accessed April 27, 2014.
- ^ American Physical Society: Energy Units , accessed April 27, 2014.
- ↑ EIA: International Energy Statistics , accessed April 27, 2014.