📅 周换算天（wk 转 d）Weeks to Days Converter (wk to d)

使用说明与常见问题How-to & FAQ

「周换算天（wk 转 d）」是什么？What is the Weeks to Days Converter (wk to d) tool?

把周换算成天：输入数值立即得到结果，并附换算公式和常用值对照表。Convert weeks to days instantly, with the conversion formula and a table of common values.

如何使用「周换算天（wk 转 d）」？How do I use the Weeks to Days Converter (wk to d) tool?

在「周换算天（wk 转 d）」中，填写「周 (wk)」等参数，结果会随输入实时计算并显示在下方。In the Weeks to Days Converter (wk to d): Fill in "Weeks (wk)"; results are recalculated instantly as you type.

1 周等于多少天？How many days are in 1 week?

1 wk = 7 d。1 wk = 7 d.

如何手动把周换算成天？How do I convert weeks to days by hand?

用公式 天 = 周 × 7。例如 2 wk = 14 d。Use days = weeks × 7. For example, 2 wk = 14 d.

有什么需要注意的？Anything to watch out for?

孕期常说的 40 周即 280 天。A 40-week pregnancy is 280 days.

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。「周换算天（wk 转 d）」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 Weeks to Days Converter (wk to d) uses internationally defined factors.

「周换算天（wk 转 d）」免费吗？需要注册吗？Is the Weeks to Days Converter (wk to d) free? Do I need an account?

「周换算天（wk 转 d）」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 Weeks to Days Converter (wk to d) is completely free with no sign-up or install and works on phones and desktops; what you enter is processed only in your browser.