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🌱 植物间距计算器Plant Spacing Calculator
按苗床长宽、株距和行距算出能种多少棵：方形网格（逐行对齐）给出实际可放下的株数，三角形（交错）排列给出按面积估算的株数（约多 15%）。Work out how many plants fit in a bed from its length, width, plant spacing and row spacing: the exact count for a square grid, and an area-based estimate for a triangular (staggered) layout, which fits about 15% more.
使用说明与常见问题How-to & FAQ
「植物间距计算器」是什么？What is the Plant Spacing Calculator tool?
按苗床长宽、株距和行距算出能种多少棵：方形网格（逐行对齐）给出实际可放下的株数，三角形（交错）排列给出按面积估算的株数（约多 15%）。Work out how many plants fit in a bed from its length, width, plant spacing and row spacing: the exact count for a square grid, and an area-based estimate for a triangular (staggered) layout, which fits about 15% more.
如何使用「植物间距计算器」？How do I use the Plant Spacing Calculator tool?
在「植物间距计算器」中，填写「单位」、「苗床长度（英尺 / 米）」、「苗床宽度（英尺 / 米）」、「株距（英寸 / 厘米）」、「行距（英寸 / 厘米，空白 = 与株距相同）」等参数，结果会随输入实时计算并显示在下方。In the Plant Spacing Calculator: Fill in "Units", "Bed length (ft / m)", "Bed width (ft / m)", "Plant spacing (in / cm)", "Row spacing (in / cm, blank = same as plant spacing)"; results are recalculated instantly as you type.
三角形排列为什么能多种？Why does a triangular layout fit more?
交错排列时相邻行错开半个株距，行与行之间只需株距的 √3/2 ≈ 0.866 倍，每棵占地 = 株距² × 0.866，比方形网格省约 13%，同样面积约多种 15%（1 ÷ 0.866 ≈ 1.155）。Staggering each row by half a spacing lets rows sit only √3/2 ≈ 0.866 of the spacing apart, so each plant takes spacing² × 0.866 — about 13% less space, or about 15% more plants in the same area (1 ÷ 0.866 ≈ 1.155).
株距应该填多少？What spacing should I use?
以种子包装或苗木标签上的推荐株距为准，例如很多番茄品种 45–60 厘米、生菜 20–30 厘米。本工具只做几何计算。Use the spacing on the seed packet or plant tag — for example many tomatoes 45–60 cm (18–24 in), lettuce 20–30 cm (8–12 in). The tool does the geometry only.
「植物间距计算器」免费吗？需要注册吗？Is the Plant Spacing Calculator free? Do I need an account?
「植物间距计算器」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 Plant Spacing 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.