# energy.txt  5 Apr 10

!title energy-units

!msgpostfix \n

1.05505585262e+3  | joules in a British thermal unit
4.1868            | joules in a calorie (International Steam Table, 1956)
4.184             | joules in a calorie (thermochemical)
4.190             | joules in a calorie (mean calorie)
1.054804e+8       | joules in a US termal unit

# 1/electron charge, or defined as number of electrons per second
6.241 509 629 152 65E+18 | Coulomb (eV per Joule)

7.46e+2           | watts in an electric horsepower
7.46043e+2        | watts in a water horsepower
7.4570e+2         | watts in an imperial horsepower
7.354988e+2       | watts in a metric horsepower

