Kalmar “kalori kilo” yawanci tana nufin adadin kuzarin da ake buƙata don ɗaga zafin ruwa na kilogiram ɗaya da digiri ɗaya a ma'aunin ma'aunin yanayi. Wannan rukunin makamashi kuma ana kiransa da "Kalori" (tare da babban C), kuma yayi daidai da joules 4.184. Ana amfani da kalori na kilogiram da farko a cikin mahallin auna ƙarfin kuzarin abinci, da kuma a wasu aikace-aikacen kimiyya da injiniya.