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Conversions…compliments of wikipedia<br />
joule watt hour electronvolt calorie<br />
1 J = 1 kg·m 2 s −2 = 1 2.778 × 10 −4 6.241 × 10 18 0.239<br />
1 W·h = 3600 1 2.247 × 10 22 859.8<br />
1 eV = 1.602 × 10 −19 4.45 × 10 −23 1 3.827 × 10 −20<br />
1 cal = 4.1868 1.163 × 10 −3 2.613 × 10 19 1