Stamp Duty Calculator 27th September 2017by Paulo Find out how much stamp duty you’ll have to pay on a home. Looking for another calculator? Borrowing Power Use your details to estimate how much you could borrow. Lump Sum Repayment Calculate how much a lump sum payment on your loan will save you. Loan Repayment Estimate your home loan repayments and work out how to repay it faster. Offset Estimate how much interest you’ll save by using your savings to offset your home loan. Property Buying Cost See what buying will cost you on top of the purchase price. Split loan Work out the costs of splitting your loan into a fixed and variable loan. Leasing Calculate the repayments you’ll need to make on a financed vehicle or equipment.