单位换算
UpBox优盒工具箱，免费单位换算工具，长度、重量、面积、数据、时间、速度与温度常用单位互转，本地计算。
无需注册 · 数据不上传No sign-up · nothing uploaded
换算设置Conversion
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说明与复制Notes
数据单位按 1024 进制Data units use 10241 KB = 1024 B
面积含市制「亩」Area includes Chinese mu1 mu = 666.67 m²
温度三制式互换Celsius, Fahrenheit, Kelvin°C · °F · K
结果保留有效位Significant digits kept6–8
本工具所有运算在本地浏览器完成，你的文件、文本不会上传到服务器
工具介绍
单位换算覆盖日常最常遇到的七类量：长度、重量、面积、数据、时间、速度与温度。输入数值后右侧即时出结果，不用点按钮。 This covers the seven quantities people convert most: length, mass, area, data, time, speed and temperature. Type a value and the result updates immediately.
数据单位按 1024 进制（KB → MB → GB），面积保留市制「亩」，温度在摄氏、华氏、开尔文之间互换。 Data uses 1024 steps (KB → MB → GB), area includes the Chinese mu, and temperature converts across Celsius, Fahrenheit and Kelvin.
- 七类常用单位Seven common categories
- 输入即换算Converts as you type
- 一键互换前后单位Swap from and to
- 结果可一键复制Copy the result
使用说明
- 先选换算类型，例如长度或数据。Choose a category such as length or data.
- 填入数值，再选择原单位与目标单位。Enter a value, then pick the source and target units.
- 结果会随输入实时更新；点“互换单位”可反向核对。The result updates as you type; Swap reverses it for a cross-check.
- 需要把结果带走时点“复制结果”。Use Copy result to take the number elsewhere.
常见问题
存储单位为什么不是 1000 进制？Why not use 1000 for data units?
这里用二进制口径：1 KB = 1024 B。部分厂商标注硬盘用十进制，两者会有约 2.4% 的差异。This uses binary: 1 KB = 1024 B. Some vendors label drives in decimal, which differs by about 2.4%.
「亩」按哪个标准？Which definition of mu is used?
按 1 亩 = 666.67 平方米（15 亩 = 1 公顷）的通行换算。One mu is 666.67 square metres, so 15 mu make one hectare.
温度换算会出错吗？Can temperature conversion go wrong?
摄氏与华氏、开尔文之间按线性公式换算；低于绝对零度的输入仍会算出数值，但物理上不成立。Celsius, Fahrenheit and Kelvin convert linearly; below absolute zero still computes but is physically impossible.