How Long to Repay Calculator Use this mortgage calculator to work out how long to repay your home loan based on your repayments and interest rates. 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