🧮 增值税 / 含税价计算器VAT / Sales Tax Calculator
计算含税价和不含税价：加税或去税，支持 13%、9%、6% 等增值税率。Add or remove VAT/sales tax: compute net, tax and gross amounts.
使用说明与常见问题How-to & FAQ
「增值税 / 含税价计算器」是什么？What is the VAT / Sales Tax Calculator tool?
计算含税价和不含税价：加税或去税，支持 13%、9%、6% 等增值税率。Add or remove VAT/sales tax: compute net, tax and gross amounts.
如何使用「增值税 / 含税价计算器」？How do I use the VAT / Sales Tax Calculator tool?
在「增值税 / 含税价计算器」中，填写「金额」、「税率%」、「方式」等参数，结果会随输入实时计算并显示在下方。In the VAT / Sales Tax Calculator: Fill in "Amount", "Rate %", "Mode"; results are recalculated instantly as you type.
计算结果可以作为最终依据吗？Can I rely on the result?
「增值税 / 含税价计算器」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 VAT / Sales Tax Calculator uses standard formulas and is for estimation only; actual figures depend on your bank, broker or tax authority's rules and rounding.
「增值税 / 含税价计算器」免费吗？需要注册吗？Is the VAT / Sales Tax Calculator free? Do I need an account?
「增值税 / 含税价计算器」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 VAT / Sales 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.