卡路里又称卡,1卡约合4.182焦耳。千卡=卡路里千卡=大卡1千卡=1000卡1千焦=1000焦耳http://tk.gdstldc.com1千卡/1大卡/1卡路里（kcal）=4.184千焦（kJ）1卡＝4.182焦耳
