💹 净利率计算器Net Profit Margin Calculator
净利率 = 净利润 ÷ 营业收入；可填写上期数据比较变化（百分点），填写销售成本和营业费用还会给出毛利率和营业利润率，看利润在哪一步被消耗。Net profit margin = net income ÷ revenue. Add last period's figures to see the change in percentage points, and cost of goods sold and operating expenses to see the gross and operating margins and where profit goes.
使用说明与常见问题How-to & FAQ
「净利率计算器」是什么？What is the Net Profit Margin Calculator tool?
净利率 = 净利润 ÷ 营业收入；可填写上期数据比较变化（百分点），填写销售成本和营业费用还会给出毛利率和营业利润率，看利润在哪一步被消耗。Net profit margin = net income ÷ revenue. Add last period's figures to see the change in percentage points, and cost of goods sold and operating expenses to see the gross and operating margins and where profit goes.
如何使用「净利率计算器」？How do I use the Net Profit Margin Calculator tool?
在「净利率计算器」中，填写「营业收入」、「净利润」、「销售成本（可选）」、「营业费用（可选）」、「上期营业收入（可选）」等参数，结果会随输入实时计算并显示在下方。In the Net Profit Margin Calculator: Fill in "Revenue", "Net income", "Cost of goods sold (optional)", "Operating expenses (optional)", "Last period revenue (optional)"; results are recalculated instantly as you type.
净利率怎么算？How is net profit margin calculated?
净利率 = 净利润 ÷ 营业收入 × 100%。净利润是扣除全部成本、费用、利息、所得税和其他损益后的最终利润。Net profit margin = net income ÷ revenue × 100%, where net income is what is left after all costs, expenses, interest, income tax and other gains and losses.
百分点和百分比有什么区别？What is a percentage point?
利润率从 7.5% 变为 9% 是上升 1.5 个百分点，相当于相对提高 20%。比较利润率变化时通常用百分点。A margin moving from 7.5% to 9% is up 1.5 percentage points, a 20% relative increase. Margin changes are usually quoted in points.
计算结果可以作为最终依据吗？Can I rely on the result?
「净利率计算器」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 Net Profit Margin Calculator uses standard formulas and is for estimation only; actual figures depend on your bank, broker or tax authority's rules and rounding.
「净利率计算器」免费吗？需要注册吗？Is the Net Profit Margin Calculator free? Do I need an account?
「净利率计算器」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 Net Profit Margin 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.