Transition tier Fixed-rate tier Stamp duty amount Tier boundary
Hong Kong absolute stamp duty chart Interactive line chart showing stamp duty amount against property price, with shaded tier bands and boundary markers.

How to read it

The line shows the actual stamp duty payable, not the effective rate. A steeper section means the tax bill is increasing faster for each extra HKD 100k of purchase price.

Why the slope changes

Transition tiers are designed to smooth the handover between fixed-rate tiers, so the chart does not jump like a cliff at each boundary.

Most relevant part for your range

The 6.0M to 6.64286M segment is a transition tier. It is steeper than the 2.25% and 3.0% fixed-rate segments, so it is not flat.