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🎨 油漆用量计算器Paint Calculator
根据房间尺寸、门窗面积、涂刷遍数和油漆覆盖率计算需要多少加仑或升油漆。Estimate gallons or liters of paint from room size, doors and windows, number of coats and coverage.
使用说明与常见问题How-to & FAQ
「油漆用量计算器」是什么？What is the Paint Calculator tool?
根据房间尺寸、门窗面积、涂刷遍数和油漆覆盖率计算需要多少加仑或升油漆。Estimate gallons or liters of paint from room size, doors and windows, number of coats and coverage.
如何使用「油漆用量计算器」？How do I use the Paint Calculator tool?
在「油漆用量计算器」中，填写「单位制」、「房间长」、「房间宽」、「墙高」、「门数」等参数，结果会随输入实时计算并显示在下方。In the Paint Calculator: Fill in "Units", "Room length", "Room width", "Wall height", "Doors"; results are recalculated instantly as you type.
门窗按多大面积扣除？How much area is deducted for doors and windows?
英制按每扇门 20 ft²、每扇窗 15 ft² 扣除；公制按每扇门 1.9 m²、每扇窗 1.4 m²（常见标准尺寸）。Imperial: 20 ft² per door and 15 ft² per window; metric: 1.9 m² per door and 1.4 m² per window (typical standard sizes).
覆盖率填多少？What coverage should I enter?
以油漆罐上的标注为准，一般乳胶漆约 350–400 ft²/加仑，或 8–12 m²/升（每遍）。Use the figure on the can; latex wall paint usually covers 350–400 ft² per gallon or 8–12 m² per liter per coat.
「油漆用量计算器」免费吗？需要注册吗？Is the Paint Calculator free? Do I need an account?
「油漆用量计算器」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 Paint 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.