🍎 卡路里 ↔ 千焦Calorie to Kilojoule
卡路里与千焦互算（1 cal = 0.004184 kJ）。本地换算，附常用相关单位。Convert calorie and kilojoule (1 cal = 0.004184 kJ). Runs locally with related units.
点击任意一行可复制该结果；小于 0.0001 或不小于 10¹⁵ 的数值用 × 10ⁿ 科学计数法显示Click any row to copy that result. Values below 0.0001 or at least 10¹⁵ are shown in × 10ⁿ notation
使用说明与常见问题How-to & FAQ
「卡路里 ↔ 千焦」是什么？What is the Calorie to Kilojoule tool?
卡路里与千焦互算（1 cal = 0.004184 kJ）。本地换算，附常用相关单位。Convert calorie and kilojoule (1 cal = 0.004184 kJ). Runs locally with related units.
如何使用「卡路里 ↔ 千焦」？How do I use the Calorie to Kilojoule tool?
在「卡路里 ↔ 千焦」中输入数值并选择原单位，表格会同时列出换算到所有其他单位的结果，可一键复制。Enter a value in the Calorie to Kilojoule and choose the source unit; the table shows the value in every other unit at once, ready to copy.
1 卡路里等于多少千焦？How many kilojoules in 1 calorie?
1 cal = 0.004184 kJ（按国际定义系数）。1 cal = 0.004184 kJ (international definition).
如何把卡路里换算成千焦？How do I convert calorie to kilojoule?
结果 = 数值 × 0.004184。例如 1 cal = 0.004184 kJ。result = value × 0.004184. Example: 1 cal = 0.004184 kJ.
卡路里/千焦属于哪类单位？What kind of units are calorie/kilojoule?
二者同属「能量」量纲，可安全互算；也可打开「energy-converter」做多单位对照。Both are energy units; see also the energy converter hub.
换算系数准确吗？Are the conversion factors exact?
「卡路里 ↔ 千焦」采用国际单位制（SI）或公认标准中的定义值作为换算系数，结果保留约 10 位有效数字。The Calorie to Kilojoule uses factors defined by the SI or other recognised standards and shows about 10 significant digits.
「卡路里 ↔ 千焦」免费吗？需要注册吗？Is the Calorie to Kilojoule free? Do I need an account?
「卡路里 ↔ 千焦」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 Calorie to Kilojoule is completely free with no sign-up or install and works on phones and desktops; what you enter is processed only in your browser.