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🎂 蛋糕模具换算器Cake Pan Converter
把配方从一种蛋糕模具换到另一种：按圆形、方形或长方形模具的底面积（可多个模具）算出放大或缩小的倍数，并可直接把配料表按倍数换算。Convert a recipe from one cake pan to another: compare the base areas of round, square or rectangular pans (one or several) to get the scaling factor, and scale your ingredient list by it.
使用说明与常见问题How-to & FAQ
「蛋糕模具换算器」是什么？What is the Cake Pan Converter tool?
把配方从一种蛋糕模具换到另一种：按圆形、方形或长方形模具的底面积（可多个模具）算出放大或缩小的倍数，并可直接把配料表按倍数换算。Convert a recipe from one cake pan to another: compare the base areas of round, square or rectangular pans (one or several) to get the scaling factor, and scale your ingredient list by it.
如何使用「蛋糕模具换算器」？How do I use the Cake Pan Converter tool?
在「蛋糕模具换算器」中，填写「原模具形状」、「原模具直径 / 边长 / 长」、「原模具宽（长方形）」、「原模具个数」、「新模具形状」等参数，结果会随输入实时计算并显示在下方。In the Cake Pan Converter: Fill in "Original pan shape", "Original diameter, side or length", "Original width (rectangular)", "Number of original pans", "New pan shape"; results are recalculated instantly as you type.
模具换算倍数怎么算？How is the scaling factor worked out?
倍数 = 新模具总底面积 ÷ 原模具总底面积。圆形面积 = π × 直径² ÷ 4，方形 = 边长²，长方形 = 长 × 宽。例如 8 英寸圆模换 9 英寸圆模：(9 ÷ 8)² ≈ 1.27，配料约增加 27%。两个尺寸用同一种单位即可。Factor = total base area of the new pans ÷ that of the original pans. Round = π × diameter² ÷ 4, square = side², rectangle = length × width. Going from an 8-inch round to a 9-inch round: (9 ÷ 8)² ≈ 1.27, so about 27% more of everything. Use the same unit for both pans.
配料表怎么写？How should I write the ingredient list?
每行一种配料，数量写在开头，可以是整数、小数、分数（1/2）、带分数（1 1/2）或 ½、¼、¾ 等字符。没有数量的行（如「少许盐」）原样保留。One ingredient per line with the amount first — whole numbers, decimals, fractions (1/2), mixed numbers (1 1/2) or characters such as ½, ¼ and ¾. Lines without an amount, like 'pinch of salt', are left as they are.
鸡蛋算出小数怎么办？What about fractional eggs?
可以四舍五入，或把鸡蛋打散后按比例称重（一个大号鸡蛋去壳约 50 克）。烘烤时间也要随厚度调整：面糊更厚需要更久，更薄则缩短。Round it, or beat the eggs and weigh out the right share (a large egg is about 50 g without the shell). Adjust the baking time too — thicker batter needs longer, thinner batter less.
「蛋糕模具换算器」免费吗？需要注册吗？Is the Cake Pan Converter free? Do I need an account?
「蛋糕模具换算器」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 Cake Pan 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.