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
28.0 J =
| Energy | ||
| Symbol | Unit Name | |
| 4.57516×10-9 | bboe | barrel oil equivalent |
| 2.65389×10-2 | Btu (IT) | British thermal unit (IT) |
| 2.65184×10-2 | Btu (mean) | British thermal unit (mean) |
| 2.65566×10-2 | Btu (therm.) | British thermal unit (thermochemical) |
| 6.69856×10-3 | Cal, kcal | Calorie (diet kilocalorie) |
| 6.68255 | calmean | calorie (mean) |
| 6.69216 | cal (therm.) | calorie (thermochemical) |
| 1.74762×1020 | eV | electronvolt |
| 2.8×108 | erg | erg |
| 20.6517 | ft-lbf | foot-pound force |
| 664.45 | ft-pdl | foot-poundal |
| 1.04302×10-5 | Hp-h | horsepower (550ft-lbf/s)-hour |
| 6.68976×10-3 | kcal15 | kilocalorie (15°C) |
| 6.65953×10-3 | kcal4 | kilocalorie (4°C) |
| 2.8×10-2 | kJ | kilojoule |
| 6.69856×10-12 | kt (TNT) | kiloton TNT equivalent |
| 7.77778×10-6 | kWh | kilowatt-hour |
| 1.74762×1014 | MeV | megaelectronvolt |
| 2.8×10-5 | MJ | megajoule |
| 6.69856×10-15 | Mt (TNT) | megaton TNT equivalent |
| 9.55958×10-10 | tce | tce (tonne coal equivalent) |
| 2.65452×10-7 | therm (US) | |
| 6.69856×10-9 | ton (TNT) | ton TNT equivalent |
| 7.77778×10-3 | Wh | watt hour |
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