📐 度换算弧度（° 转 rad）Degrees to Radians Converter (° to rad)

使用说明与常见问题How-to & FAQ

「度换算弧度（° 转 rad）」是什么？What is the Degrees to Radians Converter (° to rad) tool?

度转换为弧度，输入数值立即得到结果，附换算公式和常用对照表。Convert degrees to radians instantly, with the formula and a quick reference table.

如何使用「度换算弧度（° 转 rad）」？How do I use the Degrees to Radians Converter (° to rad) tool?

在「度换算弧度（° 转 rad）」中，填写「度 (°)」等参数，结果会随输入实时计算并显示在下方。In the Degrees to Radians Converter (° to rad): Fill in "Degrees (°)"; results are recalculated instantly as you type.

1 度等于多少弧度？How many radians are in 1 degree?

1 ° = 0.01745329252 rad。1 ° = 0.01745329252 rad.

如何手动把度换算成弧度？How do I convert degrees to radians by hand?

用公式 弧度 = 度 × 0.01745329252。例如 10 ° = 0.1745329252 rad。Use radians = degrees × 0.01745329252. For example, 10 ° = 0.1745329252 rad.

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。「度换算弧度（° 转 rad）」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 Degrees to Radians Converter (° to rad) uses internationally defined factors.

「度换算弧度（° 转 rad）」免费吗？需要注册吗？Is the Degrees to Radians Converter (° to rad) free? Do I need an account?

「度换算弧度（° 转 rad）」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 Degrees to Radians Converter (° to rad) is completely free with no sign-up or install and works on phones and desktops; what you enter is processed only in your browser.