house tax
Local, assertable calculation for house-tax. Input is text; there is no network, disk, or device access.
Runs in your browserEvery computation happens in your browser — your data never leaves this device.
Input
Result
Local calculation
Enter data to see results
What this tool does
- Check this text locally
- Copy a deterministic result
Example
Input
1
Output
成交价 / Price: 1.00 元 · 面积 90 ㎡ 满 2 年 / Held ≥2y: 是 · 满五唯一 / ≥5y & only home: 否 · 首套 / First home: 是 卖方 / Seller: 增值税 / VAT: 0.00 元（满 2 年，免征） 附加税费 / Surcharges: 0.00 元（增值税 × 12%） 个人所得税 / Income tax: 0.01 元（全额 1% / 1% of price: 0.01 元） 卖方合计 / Seller total: 0.01 元 买方 / Buyer: 契税 / Deed tax: 0.01 元（不含增值税价 1.00 元 × 1%） 买方合计 / Buyer total: 0.01 元 税费合计 / Total taxes: 0.02 元（占成交价 2.00%） 口径依据 / Basis: 未满 2 年增值税 3%（2026 新规）· 附加 12% · 个税 差额 20% 或全额 1% 取低 · 契税 ≤140㎡ 1%、>140㎡ 1.5%、二套 2%（计税依据为不含增值税价）
The result is computed by the local source. Nothing is uploaded.
Frequently asked questions
Is input uploaded?
No. Calculation stays local.
What about empty input?
The page stays empty; invalid parameters show an error.
Is the result stable?
The same input always yields the same output.
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