🍎 千卡（大卡）换算千焦（kcal 转 kJ）Kilocalories to Kilojoules Converter (kcal to kJ)

使用说明与常见问题How-to & FAQ

「千卡（大卡）换算千焦（kcal 转 kJ）」是什么？What is the Kilocalories to Kilojoules Converter (kcal to kJ) tool?

千卡（大卡）转换为千焦，输入数值立即得到结果，附换算公式和常用对照表。Convert kilocalories to kilojoules instantly, with the formula and a quick reference table.

如何使用「千卡（大卡）换算千焦（kcal 转 kJ）」？How do I use the Kilocalories to Kilojoules Converter (kcal to kJ) tool?

在「千卡（大卡）换算千焦（kcal 转 kJ）」中，填写「千卡（大卡） (kcal)」等参数，结果会随输入实时计算并显示在下方。In the Kilocalories to Kilojoules Converter (kcal to kJ): Fill in "Kilocalories (kcal)"; results are recalculated instantly as you type.

1 千卡（大卡）等于多少千焦？How many kilojoules are in 1 kilocalorie?

1 kcal = 4.184 kJ。1 kcal = 4.184 kJ.

如何手动把千卡（大卡）换算成千焦？How do I convert kilocalories to kilojoules by hand?

用公式 千焦 = 千卡（大卡） × 4.184。例如 10 kcal = 41.84 kJ。Use kilojoules = kilocalories × 4.184. For example, 10 kcal = 41.84 kJ.

有什么需要注意的？Anything to watch out for?

食品标签中的“千卡”就是“大卡”（Calorie），1 千卡 = 4.184 千焦。The food-label “Calorie” is a kilocalorie; 1 kcal = 4.184 kJ.

可以反向换算吗？Can I convert the other way?

可以。页面下方有反向换算页面的链接，也可以打开完整的单位换算器，在多种单位之间同时换算。「千卡（大卡）换算千焦（kcal 转 kJ）」的换算系数采用国际标准定义。Yes. Use the reverse-conversion link below, or open the full unit converter to see many units at once. The Kilocalories to Kilojoules Converter (kcal to kJ) uses internationally defined factors.

「千卡（大卡）换算千焦（kcal 转 kJ）」免费吗？需要注册吗？Is the Kilocalories to Kilojoules Converter (kcal to kJ) free? Do I need an account?

「千卡（大卡）换算千焦（kcal 转 kJ）」完全免费，无需注册或安装，打开网页即可使用，手机和电脑都能用；输入的内容只在你的浏览器本地处理。The Kilocalories to Kilojoules Converter (kcal to kJ) is completely free with no sign-up or install and works on phones and desktops; what you enter is processed only in your browser.