🧧 个人所得税计算器China Income Tax Calculator
2026 中国个税计算器：输入月薪、五险一金和专项附加扣除，计算每月个税和税后工资（累计预扣法）。Chinese individual income tax calculator (cumulative withholding): monthly tax and take-home pay.
使用说明与常见问题How-to & FAQ
「个人所得税计算器」是什么？What is the China Income Tax Calculator?
2026 中国个税计算器：输入月薪、五险一金和专项附加扣除，计算每月个税和税后工资（累计预扣法）。Chinese individual income tax calculator (cumulative withholding): monthly tax and take-home pay.
如何使用「个人所得税计算器」？How do I use the China Income Tax Calculator?
在「个人所得税计算器」中，填写「税前月薪」、「五险一金(个人)」、「专项附加扣除/月」、「起征点/月」等参数，结果会随输入实时计算并显示在下方。In the China Income Tax Calculator: Fill in "Monthly salary", "Social insurance", "Special deductions /mo", "Threshold /mo"; results are recalculated instantly as you type.
怎么计算个税？How is it calculated?
采用累计预扣法：累计应纳税所得额 = (月薪 − 五险一金 − 专项附加扣除 − 5000) × 月数，套用 3%–45% 七级超额累进税率，减去已预缴税额。Cumulative withholding: cumulative taxable income × progressive rates (3%–45%) minus tax already withheld.
计算结果可以作为最终依据吗？Can I rely on the result?
「个人所得税计算器」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 China Income Tax Calculator uses standard formulas and is for estimation only; actual figures depend on your bank, broker or tax authority's rules and rounding.
「个人所得税计算器」免费吗？需要注册吗？Is the China Income Tax Calculator free? Do I need an account?
「个人所得税计算器」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 China Income Tax 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.