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🌾 草籽用量计算器Grass Seed Calculator
按草坪面积、草种和播种方式（新建草坪或补播）计算需要多少草籽，以及按包装规格需要几袋；内置常见草种的示例播种量，也可填写种子袋上的推荐用量。Work out how much grass seed you need from the lawn area, grass type and whether you are seeding a new lawn or overseeding, and how many bags to buy — with example rates for common grasses, or the rate printed on your seed bag.
使用说明与常见问题How-to & FAQ
「草籽用量计算器」是什么？What is the Grass Seed Calculator tool?
按草坪面积、草种和播种方式（新建草坪或补播）计算需要多少草籽，以及按包装规格需要几袋；内置常见草种的示例播种量，也可填写种子袋上的推荐用量。Work out how much grass seed you need from the lawn area, grass type and whether you are seeding a new lawn or overseeding, and how many bags to buy — with example rates for common grasses, or the rate printed on your seed bag.
如何使用「草籽用量计算器」？How do I use the Grass Seed Calculator tool?
在「草籽用量计算器」中，填写「面积单位」、「草坪面积」、「草种」、「播种方式」、「自定义播种量（磅 / 1,000 平方英尺）」等参数，结果会随输入实时计算并显示在下方。In the Grass Seed Calculator: Fill in "Area unit", "Lawn area", "Grass type", "Seeding", "Custom rate (lb per 1,000 sq ft)"; results are recalculated instantly as you type.
播种量数据从哪里来？Where do the seeding rates come from?
内置数值是美国各州立大学推广站草坪指南中常见范围的中间值，只作为示例；不同品种、混播比例和种子包衣会让用量不同，请以种子袋上印的推荐用量为准，可选「自定义」直接填写。The built-in values are mid-points of ranges commonly given in US state university extension lawn guides and are examples only; varieties, mixes and seed coatings change the rate, so follow the bag — choose Custom to enter it.
补播为什么用一半？Why half for overseeding?
补播是在现有草坪的稀疏处加种，通常建议用新建草坪用量的约一半。草坪很稀疏时可按新建用量播种。Overseeding fills thin spots in an existing lawn, so about half the new-lawn rate is usual. For a very thin lawn, use the full rate.
「草籽用量计算器」免费吗？需要注册吗？Is the Grass Seed Calculator free? Do I need an account?
「草籽用量计算器」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 Grass Seed 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.