📈 净资产收益率计算器（ROE）Return on Equity Calculator (ROE)

使用说明与常见问题How-to & FAQ

「净资产收益率计算器（ROE）」是什么？What is the Return on Equity Calculator (ROE) tool?

ROE = 净利润 / 股东权益，以百分数显示。权益须大于 0；净利润可为负（亏损时 ROE 为负）。本地处理。ROE = net income / equity, shown as a percent. Equity must be greater than 0; net income may be negative (loss → negative ROE). Processed locally.

如何使用「净资产收益率计算器（ROE）」？How do I use the Return on Equity Calculator (ROE) tool?

在「净资产收益率计算器（ROE）」中，填写「净利润」、「股东权益」等参数，结果会随输入实时计算并显示在下方。In the Return on Equity Calculator (ROE): Fill in "Net income", "Equity"; results are recalculated instantly as you type.

杜邦分析呢？What about DuPont analysis?

本页只做一步 ROE = 净利润 / 权益。杜邦会把 ROE 拆成利润率 × 资产周转 × 权益乘数。This page only does the one-step ROE = net income / equity. DuPont splits ROE into margin × asset turnover × equity multiplier.

权益为负怎么办？What if equity is negative?

本页要求股东权益大于 0。账面权益为负时 ROE 口径本身就有争议，请改用其他指标。Equity must be greater than 0 here. Negative book equity makes ROE awkward to interpret - use another metric.

能举个计算实例吗？Can you show a worked example?

例如在「净资产收益率计算器（ROE）」中填 净利润 = 50000，股东权益 = 250000，结果区显示：ROE %：20For example, entering Net income = 50000, Equity = 250000 in the Return on Equity Calculator (ROE) gives: ROE %: 20

哪些输入会被检查？Which inputs are validated?

「净资产收益率计算器（ROE）」会检查这些输入——「净利润」：须为数字；「股东权益」：必须填写，须大于 0且不大于 1,000,000,000,000,000；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 Return on Equity Calculator (ROE) checks its inputs — "Net income": must be a number; "Equity": required, must be more than 0 and at most 1,000,000,000,000,000; 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?

「净资产收益率计算器（ROE）」的设置：「净利润」默认 50000；「股东权益」默认 250000。每次生成结果都按当前设置处理。Settings in the Return on Equity Calculator (ROE) — "Net income" default 50000; "Equity" default 250000. 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?

「净资产收益率计算器（ROE）」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 Return on Equity Calculator (ROE) uses standard formulas and is for estimation only; actual figures depend on your bank, broker or tax authority's rules and rounding.

「净资产收益率计算器（ROE）」免费吗？需要注册吗？Is the Return on Equity Calculator (ROE) free? Do I need an account?

「净资产收益率计算器（ROE）」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 Return on Equity Calculator (ROE) is completely free with no sign-up or install and works on phones and desktops; what you enter is processed only in your browser.