⚡ 兆电子伏 ↔ 千电子伏Megaelectronvolt to Kiloelectronvolt
兆电子伏与千电子伏互算（1 MeV = 1000 keV）。本地换算，附常用相关单位。Convert megaelectronvolt and kiloelectronvolt (1 MeV = 1000 keV). 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
「兆电子伏 ↔ 千电子伏」是什么？What is the Megaelectronvolt to Kiloelectronvolt tool?
兆电子伏与千电子伏互算（1 MeV = 1000 keV）。本地换算，附常用相关单位。Convert megaelectronvolt and kiloelectronvolt (1 MeV = 1000 keV). Runs locally with related units.
如何使用「兆电子伏 ↔ 千电子伏」？How do I use the Megaelectronvolt to Kiloelectronvolt tool?
在「兆电子伏 ↔ 千电子伏」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 Megaelectronvolt to Kiloelectronvolt and choose the source unit; the table shows the value in every other unit at once, ready to copy.
1 兆电子伏等于多少千电子伏？How many kiloelectronvolt in 1 megaelectronvolt?
1 MeV = 1000 keV（按国际定义系数）。1 MeV = 1000 keV (international definition).
如何把兆电子伏换算成千电子伏？How do I convert megaelectronvolt to kiloelectronvolt?
结果 = 数值 × 1000。例如 1 MeV = 1000 keV。result = value × 1000. Example: 1 MeV = 1000 keV.
兆电子伏/千电子伏属于哪类单位？What kind of units are megaelectronvolt/kiloelectronvolt?
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?
「兆电子伏 ↔ 千电子伏」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 Megaelectronvolt to Kiloelectronvolt uses factors defined by the SI or other recognised standards and shows about 10 significant digits.
「兆电子伏 ↔ 千电子伏」免费吗？需要注册吗？Is the Megaelectronvolt to Kiloelectronvolt free? Do I need an account?
「兆电子伏 ↔ 千电子伏」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 Megaelectronvolt to Kiloelectronvolt is completely free with no sign-up or install and works on phones and desktops; what you enter is processed only in your browser.