Stamp Duty Calculator Use this home loan calculator to find out stamp duty costs in your state or territory. PersonalAchieve My Savings TargetBudgetSavingsIncome TaxFinanceBi-Monthly RepaymentsComparison RateComplete Loan ComparisonExtra RepaymentsHow Long to Repay My Mortgage?How Much Can I Borrow?Lump Sum PaymentP & I / Interest OnlyRemaining BalanceReverse MortgageStamp DutySplit LoanWhat Can I Afford To Borrow?Lease