Open Mortgage

Calculators

Estimate your stamp duty

Stamp duty rates vary across states and change frequently. We provide links to official government calculators to ensure you get the most accurate and up-to-date estimates for NSW, VIC, QLD, and other states.

Official Stamp Duty Calculators

Select your state or territory to access the official government calculator for the most accurate stamp duty estimate.

These calculators are provided and maintained by state governments to ensure you receive the most current and accurate stamp duty information.

Need a clear breakdown?

Our brokers can review concessions, surcharges, and any government relief so you understand the total upfront cost.