

joule




Symbol: | J |
Category: | Energy |
SI Equivalent: | 1 J |
Dimension: | ML2T-2 |
System: | SI |
Notes | |
Named after the English physicist James Prescott Joule (1818-1889), the joule is the basic unit of work or energy in the SI system. It is equal to the work done by a force of 1 newton with the point of application displaced by 1 meter in the direction of the force. |





59 conversions, showing those commonly used | Show all


18.0 J =


Energy | ||
Symbol | Unit Name | |
2.94118×10-9 | bboe | barrel oil equivalent |
1.70607×10-2 | Btu (IT) | British thermal unit (IT) |
1.70476×10-2 | Btu (mean) | British thermal unit (mean) |
1.70721×10-2 | Btu (therm.) | British thermal unit (thermochemical) |
4.30622×10-3 | Cal, kcal | Calorie (diet kilocalorie) |
4.29592 | calmean | calorie (mean) |
4.3021 | cal (therm.) | calorie (thermochemical) |
1.12347×1020 | eV | electronvolt |
1.8×108 | erg | erg |
13.2761 | ft-lbf | foot-pound force |
427.146 | ft-pdl | foot-poundal |
6.70511×10-6 | Hp-h | horsepower (550ft-lbf/s)-hour |
4.30056×10-3 | kcal15 | kilocalorie (15°C) |
4.28113×10-3 | kcal4 | kilocalorie (4°C) |
1.8×10-2 | kJ | kilojoule |
4.30622×10-12 | kt (TNT) | kiloton TNT equivalent |
5×10-6 | kWh | kilowatt-hour |
1.12347×1014 | MeV | megaelectronvolt |
1.8×10-5 | MJ | megajoule |
4.30622×10-15 | Mt (TNT) | megaton TNT equivalent |
6.14544×10-10 | tce | tce (tonne coal equivalent) |
1.70648×10-7 | therm (US) | |
4.30622×10-9 | ton (TNT) | ton TNT equivalent |
5×10-3 | Wh | watt hour |
more...

