🚗 公里/小时换算英里/小时（km/h 转 mph）km/h to mph Converter (km/h to mph)

使用说明与常见问题How-to & FAQ

「公里/小时换算英里/小时（km/h 转 mph）」是什么？What is the km/h to mph Converter (km/h to mph)?

公里/小时转换为英里/小时，输入数值立即得到结果，附换算公式和常用对照表。Convert km/h to mph instantly, with the formula and a quick reference table.

如何使用「公里/小时换算英里/小时（km/h 转 mph）」？How do I use the km/h to mph Converter (km/h to mph)?

在「公里/小时换算英里/小时（km/h 转 mph）」中，填写「公里/小时 (km/h)」等参数，结果会随输入实时计算并显示在下方。In the km/h to mph Converter (km/h to mph): Fill in "km/h"; results are recalculated instantly as you type.

1 公里/小时等于多少英里/小时？How many mph are in 1 km/h?

1 km/h = 0.6213711922 mph。1 km/h = 0.6213711922 mph.

如何手动把公里/小时换算成英里/小时？How do I convert km/h to mph by hand?

用公式 英里/小时 = 公里/小时 × 0.6213711922。例如 10 km/h = 6.213711922 mph。Use mph = km/h × 0.6213711922. For example, 10 km/h = 6.213711922 mph.

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。「公里/小时换算英里/小时（km/h 转 mph）」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 km/h to mph Converter (km/h to mph) uses internationally defined factors.

「公里/小时换算英里/小时（km/h 转 mph）」免费吗？需要注册吗？Is the km/h to mph Converter (km/h to mph) free? Do I need an account?

「公里/小时换算英里/小时（km/h 转 mph）」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 km/h to mph Converter (km/h to mph) is completely free with no sign-up or install and works on phones and desktops; what you enter is processed only in your browser.