Stamp duty calculator

Powered by IRAS's official calculator API. Estimates the tenancy stamp duty or Buyer’s Stamp Duty (BSD) on a Singapore property. The final amount comes back from IRAS at stamping time.

Glossary: BSDBSDBuyer's Stamp Duty — the duty owed by the buyer on every property purchase. Rate scales with purchase price; residential and non-residential have different bands. · ABSDABSDAdditional Buyer's Stamp Duty — extra duty on top of BSD for second-or-later residential properties, foreigners, and entities. Rate depends on profile + property count. · AARAARAnnual Average Rent — total rent + chargeable extras over the lease term divided by the number of years. IRAS uses this to determine the lease stamp duty.