🗺️ 平方公里换算平方英里（km² 转 mi²）Square kilometers to Square miles Converter (km² to mi²)

使用说明与常见问题How-to & FAQ

「平方公里换算平方英里（km² 转 mi²）」是什么？What is the Square kilometers to Square miles Converter (km² to mi²)?

平方公里转换为平方英里，输入数值立即得到结果，附换算公式和常用对照表。Convert square kilometers to square miles instantly, with the formula and a quick reference table.

如何使用「平方公里换算平方英里（km² 转 mi²）」？How do I use the Square kilometers to Square miles Converter (km² to mi²)?

在「平方公里换算平方英里（km² 转 mi²）」中，填写「平方公里 (km²)」等参数，结果会随输入实时计算并显示在下方。In the Square kilometers to Square miles Converter (km² to mi²): Fill in "Square kilometers (km²)"; results are recalculated instantly as you type.

1 平方公里等于多少平方英里？How many square miles are in 1 square kilometer?

1 km² = 0.3861021585 mi²。1 km² = 0.3861021585 mi².

如何手动把平方公里换算成平方英里？How do I convert square kilometers to square miles by hand?

用公式 平方英里 = 平方公里 × 0.3861021585。例如 10 km² = 3.861021585 mi²。Use square miles = square kilometers × 0.3861021585. For example, 10 km² = 3.861021585 mi².

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。「平方公里换算平方英里（km² 转 mi²）」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 Square kilometers to Square miles Converter (km² to mi²) uses internationally defined factors.

「平方公里换算平方英里（km² 转 mi²）」免费吗？需要注册吗？Is the Square kilometers to Square miles Converter (km² to mi²) free? Do I need an account?

「平方公里换算平方英里（km² 转 mi²）」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 Square kilometers to Square miles Converter (km² to mi²) is completely free with no sign-up or install and works on phones and desktops; what you enter is processed only in your browser.