📦 经济订货量 EOQEOQ Calculator
EOQ = √(2 D S / H)。本地处理。可设置「年需求」、「每次订货成本」、「单位年持有成本」。EOQ = √(2 D S / H). Processed locally. Settings: Annual demand, Order cost, Holding cost / unit / year.
使用说明与常见问题How-to & FAQ
「经济订货量 EOQ」是什么？What is the EOQ Calculator tool?
EOQ = √(2 D S / H)。本地处理。可设置「年需求」、「每次订货成本」、「单位年持有成本」。EOQ = √(2 D S / H). Processed locally. Settings: Annual demand, Order cost, Holding cost / unit / year.
如何使用「经济订货量 EOQ」？How do I use the EOQ Calculator tool?
在「经济订货量 EOQ」中，填写「年需求」、「每次订货成本」、「单位年持有成本」等参数，结果会随输入实时计算并显示在下方。In the EOQ Calculator: Fill in "Annual demand", "Order cost", "Holding cost / unit / year"; results are recalculated instantly as you type.
允许缺货吗？Does it allow for stockouts?
不允许。经典 EOQ = √(2DS ÷ H) 假设需求恒定、补货瞬时到达、不缺货。允许延期交货的模型会在公式中加入缺货成本，订货量会变大。No. The classic EOQ = √(2DS ÷ H) assumes steady demand, instant replenishment and no stockouts. Models that allow backorders add a shortage cost and give a larger order quantity.
能举个计算实例吗？Can you show a worked example?
例如在「经济订货量 EOQ」中填 年需求 = 10000，每次订货成本 = 50，单位年持有成本 = 2，结果区显示：EOQ：707.1068；约整：707For example, entering Annual demand = 10000, Order cost = 50, Holding cost / unit / year = 2 in the EOQ Calculator gives: EOQ: 707.1068; Rounded: 707
哪些输入会被检查？Which inputs are validated?
「经济订货量 EOQ」会检查这些输入——「年需求」、「每次订货成本」、「单位年持有成本」：必须填写，须大于 0；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 EOQ Calculator checks its inputs — "Annual demand", "Order cost", "Holding cost / unit / year": required, must be greater than 0; 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?
「经济订货量 EOQ」的设置：「年需求」默认 10000；「每次订货成本」默认 50；「单位年持有成本」默认 2。每次生成结果都按当前设置处理。Settings in the EOQ Calculator — "Annual demand" default 10000; "Order cost" default 50; "Holding cost / unit / year" default 2. The result always uses the current settings.
计算结果可以作为最终依据吗？Can I rely on the result?
「经济订货量 EOQ」按标准公式计算，结果仅供参考；实际金额以银行、券商或税务机关的规则和四舍五入方式为准。The EOQ Calculator uses standard formulas and is for estimation only; actual figures depend on your bank, broker or tax authority's rules and rounding.
「经济订货量 EOQ」免费吗？需要注册吗？Is the EOQ Calculator free? Do I need an account?
「经济订货量 EOQ」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 EOQ 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.