Convert Joule (J) to Kilocalorie (kcal)
To convert Joule to Kilocalorie, multiply the value by 0.000239. For example, 1 Joule = 0.000239 kcal and 10 Joule = 0.00239 kcal. Both Joule and Kilocalorie are units of Energy. Enter any value above for an instant, accurate result.
One Joule equals 0.000239 kcal.
Use the formula: kcal = J × 0.000239.