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一千千焦等于多少千卡

更新时间: 2020-11-05 00:00:00     

一千千焦等于238.9千卡,千焦和千卡都是热量单位,1卡=4.18耳。

卡路里(简称卡,缩写为cal),由英文Calorie音译而来,其定义为在1个大气压下,将1克水提升1摄氏度所需要的热量;卡路里(calorie)是能量单位,现在仍被广泛使用在营养计量和健身手册上,国际标准的能量单位是焦耳(joule)。

关键词: 等于 多少 千卡

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