Kcal is the English name of a thousand cards: a thousand cards (qiān kǎ m) is also called a thousand cards. A unit of heat, equal to 1000 calories (calories), that is, the heat required for 1 kg of water to raise its temperature 1℃ (symbol is kilocalories).

Card is the abbreviation of Calorie, transliterated from English Calorie (abbreviated as cal). It is defined as the heat required to raise 1 g of water to 1℃ at1atmospheric pressure. Calorie is an energy unit, which is still widely used in nutrition measurement and fitness manual. The international standard unit of energy is joule.

Unit conversion of kilocalories:

1, 1 kcal =4 186 joules =4. 186 kj.

2, 1 card (card) =4.2 coke (coke)

3. 1KJ = 0.2389 kcal

References:

Baidu encyclopedia kcal