🔢 百万 ↔ 十亿（大数单位换算）Million to Billion Converter
百万（million）、十亿（billion）、万亿（trillion）、千与中文的万、亿互相换算：1 billion = 1000 million = 10 亿。Convert millions, billions, trillions and thousands, plus the Chinese wan (10⁴) and yi (10⁸): 1 billion = 1,000 million.
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
「百万 ↔ 十亿（大数单位换算）」是什么？What is the Million to Billion Converter tool?
百万（million）、十亿（billion）、万亿（trillion）、千与中文的万、亿互相换算：1 billion = 1000 million = 10 亿。Convert millions, billions, trillions and thousands, plus the Chinese wan (10⁴) and yi (10⁸): 1 billion = 1,000 million.
如何使用「百万 ↔ 十亿（大数单位换算）」？How do I use the Million to Billion Converter tool?
在「百万 ↔ 十亿（大数单位换算）」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 Million to Billion Converter and choose the source unit; the table shows the value in every other unit at once, ready to copy.
长短级差？Long vs short scale?
英美现用短级差：billion = 10⁹；一些欧洲语言的“billion”指 10¹²。English uses the short scale (billion = 10⁹); some European languages use billion for 10¹².
1 百万 等于多少其他单位？How much is 1 million in the other units?
1 百万 = 0.001 十亿 = 1000 千 = 1 × 10^-6 万亿 = 100 万 = 0.01 亿 = 1000000 个（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 million = 0.001 billion = 1000 thousand = 1 × 10^-6 trillion = 100 wan (10⁴) = 0.01 yi (10⁸) = 1000000 one (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?
「百万 ↔ 十亿（大数单位换算）」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 Million to Billion Converter — "Value" default 1. The result always uses the current settings.
换算系数准确吗？Are the conversion factors exact?
「百万 ↔ 十亿（大数单位换算）」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 Million to Billion Converter uses factors defined by the SI or other recognised standards and shows about 10 significant digits.
「百万 ↔ 十亿（大数单位换算）」免费吗？需要注册吗？Is the Million to Billion Converter free? Do I need an account?
「百万 ↔ 十亿（大数单位换算）」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 Million to Billion Converter is completely free with no sign-up or install and works on phones and desktops; what you enter is processed only in your browser.