💧 千克转升（按密度）Kg to Liter (by Density)

使用说明与常见问题How-to & FAQ

「千克转升（按密度）」是什么？What is the Kg to Liter (by Density) tool?

质量 ÷ 密度 → 升（默认水 1 kg/L）。可设置「千克」、「密度 kg/L」。Mass ÷ density → litres (default water 1 kg/L). Settings: Kilograms, Density kg/L.

如何使用「千克转升（按密度）」？How do I use the Kg to Liter (by Density) tool?

在「千克转升（按密度）」中，填写「千克」、「密度 kg/L」等参数，结果会随输入实时计算并显示在下方。In the Kg to Liter (by Density): Fill in "Kilograms", "Density kg/L"; results are recalculated instantly as you type.

1 千克水是多少升？How many litres is a kilogram of water?

约 1 升：水的密度约 1 kg/L。体积 = 质量 ÷ 密度，汽油约 0.74 kg/L，所以 1 千克汽油约 1.35 升。About 1 L: water is about 1 kg/L. Volume = mass ÷ density, so with petrol at about 0.74 kg/L, 1 kg is about 1.35 L.

能举个计算实例吗？Can you show a worked example?

例如在「千克转升（按密度）」中填 千克 = 1，密度 kg/L = 1，结果区显示：升：1 L；加仑 (US)：0.2642 galFor example, entering Kilograms = 1, Density kg/L = 1 in the Kg to Liter (by Density) gives: Litres: 1 L; Gallons (US): 0.2642 gal

哪些输入会被检查？Which inputs are validated?

「千克转升（按密度）」会检查这些输入——「千克」、「密度 kg/L」：必须填写，须大于 0；绝对值超过 10¹⁵ 的数也会被拒绝。不符合时结果区显示具体提示，不会给出数字。The Kg to Liter (by Density) checks its inputs — "Kilograms", "Density kg/L": required, must be greater than 0; numbers above 10¹⁵ in absolute value are rejected too. When a value fails, the result area names the problem instead of showing a number.

有哪些选项可以调整？What options can I adjust?

「千克转升（按密度）」的设置：「千克」默认 1；「密度 kg/L」默认 1。每次生成结果都按当前设置处理。Settings in the Kg to Liter (by Density) — "Kilograms" default 1; "Density kg/L" default 1. The result always uses the current settings.

「千克转升（按密度）」免费吗？需要注册吗？Is the Kg to Liter (by Density) free? Do I need an account?

「千克转升（按密度）」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 Kg to Liter (by Density) is completely free with no sign-up or install and works on phones and desktops; what you enter is processed only in your browser.