印花税计算器

Stamp Duty Calculator

Compute stamp duty: T = instrument amount × stamp duty rate.

📐 计算公式
印花税(本页代码口径):税额=凭证金额×税率(税率按百分数÷100);联动量:含税金额=金额×(1+税率)、税率倒数=1÷max(税率,10⁻¹²)、按含税价反算税额=金额×税率÷(1+税率)。校验:无强校验,空值按 0 兜底。判据:无固定分级,税额与凭证金额线性相关,反算项用于已知含税总价时拆分税基。

由应税凭证金额与适用印花税率计算。

📅 Tax rules snapshot as of Oct 2026 (current PRC tax rules); after any reform, defer to the latest official announcements.

Formula & Standard References

Item Formula / Rule Source / Standard
Computation Duty = amount stated on the document × the applicable stamp duty rate Stamp Duty Law of the PRC, effective 1 July 2022
Common rates Loan contracts take 0.005%, sales contracts 0.03% and title transfer documents 0.05% Stamp Duty Law of the PRC, Annex rate table
Tax base VAT shown separately is excluded, and unstated amounts are assessed at market value Stamp Duty Law of the PRC, Art. 5
📌 计算说明
  • 100 万、0.05% → 税额 500。
  • 不同凭证税率不同。

📚 深度解析:印花税

💡 常见使用场景

金额 100 万、税率 0.05%
印花税额 = 1000000 × 0.0005 = 500 元;金额 200 万则税 1000 元。
定额 vs 比例
部分权利证照按件定额(如 5 元/件),与金额无关;本示例为比例从价模型。

❓ 常见问题(FAQ)

印花税是行为税吗?
是对经济活动和经济交往中书立、领受凭证的行为征税,属于凭证税。
哪些凭证免征?
如具有法律效力但符合免税清单的凭证可免,应以现行税目表为准。