Stamp Duty Calculator
Calculate the estimated stamp duty using document amount, document type, rate, and upper limit.
Formula
Tax = document amount × rate; if there is an upper limit, the result is restricted by the limit.
Source / method note
The rate varies according to the document type. Preset 1 is used manually, 2 is low rate for rental types, 3 is general proportional rate.
Legal / official rate note
This tool is for estimated informational purposes only. The current stamp duty tariff should be taken as the basis for official transactions.
