⚛️ 库仑 ↔ 安时Coulomb to Ampere-hour
库仑与安时互算（1 C = 0.000277777777778 Ah）。本地换算，附常用相关单位。Convert coulomb and ampere-hour (1 C = 0.000277777777778 Ah). 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
「库仑 ↔ 安时」是什么？What is the Coulomb to Ampere-hour tool?
库仑与安时互算（1 C = 0.000277777777778 Ah）。本地换算，附常用相关单位。Convert coulomb and ampere-hour (1 C = 0.000277777777778 Ah). Runs locally with related units.
如何使用「库仑 ↔ 安时」？How do I use the Coulomb to Ampere-hour tool?
在「库仑 ↔ 安时」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 Coulomb to Ampere-hour and choose the source unit; the table shows the value in every other unit at once, ready to copy.
1 库仑等于多少安时？How many ampere-hour in 1 coulomb?
1 C = 0.000277777777778 Ah（按国际定义系数）。1 C = 0.000277777777778 Ah (international definition).
如何把库仑换算成安时？How do I convert coulomb to ampere-hour?
结果 = 数值 × 0.000277777777778。例如 3600 C = 1 Ah。result = value × 0.000277777777778. Example: 3600 C = 1 Ah.
库仑/安时属于哪类单位？What kind of units are coulomb/ampere-hour?
二者同属「电荷」量纲，可安全互算。Both are electric charge units.
换算系数准确吗？Are the conversion factors exact?
「库仑 ↔ 安时」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 Coulomb to Ampere-hour uses factors defined by the SI or other recognised standards and shows about 10 significant digits.
「库仑 ↔ 安时」免费吗？需要注册吗？Is the Coulomb to Ampere-hour free? Do I need an account?
「库仑 ↔ 安时」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 Coulomb to Ampere-hour is completely free with no sign-up or install and works on phones and desktops; what you enter is processed only in your browser.