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# Energy Conversion Table

E notation is an alternative format of the scientific notation 10x.
For example: 103 = E+3.
Base units are marked in black.
Derived units are marked in gray.
 Conversion Table: Energy Unit Name Relation to joule [J] atomic unit of energy [Eh] 4.359744E-18 [J] barrel of oil 6.117863E+9 [J] BTU [59°F, British Thermal Unit] 1054.804 [J] BTU [international, British Thermal Unit] 1055.05585262 [J] BTU [ISO, British Thermal Unit] 1054.5 [J] BTU [mean, British Thermal Unit] 1055.87 [J] BTU [thermochemical, British Thermal Unit] 1054.35026444 [J] calorie [cal][15°C] 4.1852 [J] calorie [cal][20°C] 4.182 [J] calorie [cal][international] 4.1868 [J] kilocalorie 4186.8 [J] calorie [cal][international 1929] 4.18604651162791 [J] calorie [cal][international 1956] 4.1868 [J] calorie [cal][mean] 4.19 [J] calorie [cal][thermochemical] 4.184 [J] celsius heat unit [CHU][thermochemical] 1899.100534716 [J] cubic foot of atmosphere 2869.2044809344 [J] cubic foot of natural gas 1.055056E+6 [J] cubic meter of atmosphere 1.01325E-4 [J] cubic yard of atmosphere 7.746852E+4 [J] electronvolt [eV] 1.602176E-19 [J] erg [erg][CGS] 1E-7 [J] foot pound [ft lbf] 1.3558179483314 [J] foot-pound force [ft lbf] 1.3558179483314 [J] foot-poundal [ft pdl] 0.0421401100938048 [J] gallon atmosphere [gal atm][imperial] 460.63256925 [J] gallon atmosphere [gal atm][US] 383.5568490138 [J] hartree [Eh] 4.359744E-18 [J] horsepower hour [hp h] 2.647796E+6 [J] inch-pound force [in lbf] 0.112984829027617 [J] joule [J] 1 [J] millijoule 0.001 [J] kilojoule 1000 [J] megajoule 1E+6 [J] large calorie [Gcal] 4186.8 [J] liter atmosphere [l atm] 101.325 [J] quad 1.05435E+18 [J] rydberg [Ry] 2.179872E-18 [J] therm [EC] 1.05435E+8 [J] therm [US] 1.054804E+8 [J] thermie 4.1868E+6 [J] ton of coal 2.9288E+10 [J] ton of oil 4.184E+10 [J] ton of tnt [tTNT] 4.184E+9 [J] watt hour [Wh] 3600 [J]

## Related Infomation

### Formula: Energy

Q : energy
I : electrical current
R : electrical resistance
t : time duration

Source: Web Formulas (Energy)
Version 4.0 - Last updated: Sunday, August 16, 2015