Singapore property stamp duty calculators
Use the calculator that matches your transaction. Rates come from the Stamp Duties Act and IRAS guidance, with the citation and verified date shown beside each live schedule.
These tools show their working. Each result explains the value basis, rule or rate band, formula, and final arithmetic step by step, so you can see what drives the estimate before you discuss it with IRAS or an adviser.
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Buyer's Stamp Duty (BSD + ABSD)
What you'll pay to buy a property in Singapore, including Additional Buyer's Stamp Duty for citizens, PRs, foreigners, and entities.
Seller's Stamp Duty (SSD)
What you'll pay to sell a property within the holding period, by regime and by year held.
Lease / rental stamp duty
Stamp duty on a tenancy agreement, from the monthly rent and lease term.