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] |