🍋 柠檬水摊利润Lemonade Stand Calculator

使用说明与常见问题How-to & FAQ

「柠檬水摊利润」是什么？What is the Lemonade Stand Calculator tool?

按售价、每杯成本、固定成本和卖出杯数计算收入、成本、利润与保本杯数。本地处理。可设置「卖出杯数」、「每杯售价」、「每杯成本」、「固定成本（摊位、器具）」。Revenue, costs, profit and break-even cups from price, cost per cup, fixed costs and cups sold. Processed locally. Settings: Cups sold, Price per cup, Cost per cup, Fixed costs (stand, supplies).

如何使用「柠檬水摊利润」？How do I use the Lemonade Stand Calculator tool?

在「柠檬水摊利润」中，填写「卖出杯数」、「每杯售价」、「每杯成本」、「固定成本（摊位、器具）」等参数，结果会随输入实时计算并显示在下方。In the Lemonade Stand Calculator: Fill in "Cups sold", "Price per cup", "Cost per cup", "Fixed costs (stand, supplies)"; results are recalculated instantly as you type.

提价还是多卖？Raise price or sell more?

每杯利润越高，保本所需杯数越少；可以在这里试试不同组合。Higher margin per cup means fewer cups to break even - try combinations here.

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

例如在「柠檬水摊利润」中填 卖出杯数 = 100，每杯售价 = 1.5，每杯成本 = 0.4，固定成本（摊位、器具） = 20，结果区显示：收入：150.00；总成本：60.00；利润：90.00；保本杯数：19For example, entering Cups sold = 100, Price per cup = 1.5, Cost per cup = 0.4, Fixed costs (stand, supplies) = 20 in the Lemonade Stand Calculator gives: Revenue: 150.00; Total cost: 60.00; Profit: 90.00; Break-even cups: 19

哪些输入会被检查？Which inputs are validated?

「柠檬水摊利润」会检查这些输入——「卖出杯数」、「每杯成本」：必须填写，不能为负数；「每杯售价」：必须填写，须大于 0；「固定成本（摊位、器具）」：必须填写；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 Lemonade Stand Calculator checks its inputs — "Cups sold", "Cost per cup": required, cannot be negative; "Price per cup": required, must be greater than 0; "Fixed costs (stand, supplies)": required; 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?

「柠檬水摊利润」的设置：「卖出杯数」默认 100；「每杯售价」默认 1.5；「每杯成本」默认 0.4；「固定成本（摊位、器具）」默认 20。每次生成结果都按当前设置处理。Settings in the Lemonade Stand Calculator — "Cups sold" default 100; "Price per cup" default 1.5; "Cost per cup" default 0.4; "Fixed costs (stand, supplies)" default 20. The result always uses the current settings.

手机上能用吗？Does it work on mobile?

可以。「柠檬水摊利润」支持触屏操作，在手机和平板浏览器中均可使用，无需安装 App。Yes. The Lemonade Stand Calculator supports touch input and works in mobile and tablet browsers without installing an app.

「柠檬水摊利润」免费吗？需要注册吗？Is the Lemonade Stand Calculator free? Do I need an account?

「柠檬水摊利润」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 Lemonade Stand Calculator is completely free with no sign-up or install and works on phones and desktops; what you enter is processed only in your browser.