ENERGY CONVERSION FACTORS

Name/Unit J erg cal eV
1 joule 1 107 2.3901 x 10-1 6.2415 x 1018
1 erg 10-7 1 2.3901 x 10-8 6.2415 x 1011
1 calorie 4.1840 4.1840 x 107 1 2.6114 x 1019
1 electron volt 1.6022 x 10-19 1.6022 x 10-12 3.8293 x 10-20 1