💊 微克 ↔ 毫克Micrograms ↔ Milligrams (mcg to mg)
微克（mcg / µg）与毫克（mg）互算：1 mg = 1000 mcg。也可换算纳克、克。支持微克、毫克、克、纳克互算。Convert micrograms (mcg / µg) and milligrams (mg): 1 mg = 1,000 mcg. Nanograms and grams too. Units: microgram, milligram, gram, nanogram.
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
「微克 ↔ 毫克」是什么？What is the Micrograms ↔ Milligrams (mcg to mg) tool?
微克（mcg / µg）与毫克（mg）互算：1 mg = 1000 mcg。也可换算纳克、克。支持微克、毫克、克、纳克互算。Convert micrograms (mcg / µg) and milligrams (mg): 1 mg = 1,000 mcg. Nanograms and grams too. Units: microgram, milligram, gram, nanogram.
如何使用「微克 ↔ 毫克」？How do I use the Micrograms ↔ Milligrams (mcg to mg) tool?
在「微克 ↔ 毫克」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 Micrograms ↔ Milligrams (mcg to mg) and choose the source unit; the table shows the value in every other unit at once, ready to copy.
mcg 和 µg？mcg vs µg?
同一个单位；药品上常写 mcg 以免把 µg 看成 mg。The same unit; labels often write mcg so µg is not misread as mg.
1 微克 等于多少其他单位？How much is 1 microgram in the other units?
1 微克 = 0.001 毫克 = 1 × 10^-6 克 = 1000 纳克（按定义系数计算，最多保留 10 位有效数字）。本页不接受负数：输入负值会提示错误。1 microgram = 0.001 milligram = 1 × 10^-6 gram = 1000 nanogram (from the defined factors, up to 10 significant digits). Negative values are not accepted here and show an error.
有哪些选项可以调整？What options can I adjust?
「微克 ↔ 毫克」的设置：「数值」默认 1。每次生成结果都按当前设置处理。Settings in the Micrograms ↔ Milligrams (mcg to mg) — "Value" default 1. The result always uses the current settings.
换算系数准确吗？Are the conversion factors exact?
「微克 ↔ 毫克」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 Micrograms ↔ Milligrams (mcg to mg) uses factors defined by the SI or other recognised standards and shows about 10 significant digits.
「微克 ↔ 毫克」免费吗？需要注册吗？Is the Micrograms ↔ Milligrams (mcg to mg) free? Do I need an account?
「微克 ↔ 毫克」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 Micrograms ↔ Milligrams (mcg to mg) is completely free with no sign-up or install and works on phones and desktops; what you enter is processed only in your browser.