Joule | |
---|---|
Unit system | SI derived unit |
Unit of | Energy |
Symbol | J |
Named after | James Prescott Joule |
Conversions | |
1 J in ... | ... is equal to ... |
SI base units[1] | 1 kg·m2/s2 |
CGS units[2] | 1×107 erg |
kWh[3] | 2.78×10−7 kW⋅h |
kcal[4] | 2.39×10−4 kcal |
BTU[5] | 9.48×10−4 BTU |
eV[6] | 6.24×1018 eV |
A Joule (J) (/ˈdʒaʊl/ or sometimes /ˈdʒuːl/) is a unit in the SI system named after English physicist James Prescott Joule.