📻 转/分 ↔ 周/时Revolution per minute to Cycle per hour
转/分与周/时互算（1 rpm = 60 cph）。本地换算，附常用相关单位。Convert revolution per minute and cycle per hour (1 rpm = 60 cph). 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
「转/分 ↔ 周/时」是什么？What is the Revolution per minute to Cycle per hour tool?
转/分与周/时互算（1 rpm = 60 cph）。本地换算，附常用相关单位。Convert revolution per minute and cycle per hour (1 rpm = 60 cph). Runs locally with related units.
如何使用「转/分 ↔ 周/时」？How do I use the Revolution per minute to Cycle per hour tool?
在「转/分 ↔ 周/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 Revolution per minute to Cycle per hour and choose the source unit; the table shows the value in every other unit at once, ready to copy.
1 转/分等于多少周/时？How many cycle per hour in 1 revolution per minute?
1 rpm = 60 cph（按国际定义系数）。1 rpm = 60 cph (international definition).
如何把转/分换算成周/时？How do I convert revolution per minute to cycle per hour?
结果 = 数值 × 60。例如 1 rpm = 60 cph。result = value × 60. Example: 1 rpm = 60 cph.
转/分/周/时属于哪类单位？What kind of units are revolution per minute/cycle per hour?
二者同属「频率」量纲，可安全互算。Both are frequency units.
换算系数准确吗？Are the conversion factors exact?
「转/分 ↔ 周/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 Revolution per minute to Cycle per hour uses factors defined by the SI or other recognised standards and shows about 10 significant digits.
「转/分 ↔ 周/时」免费吗？需要注册吗？Is the Revolution per minute to Cycle per hour free? Do I need an account?
「转/分 ↔ 周/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 Revolution per minute to Cycle per 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.