Home loan planning
Home loan borrowing calculator
Estimate how much you could borrow for a home loan using your income, living expenses and existing commitments. Use the result as a starting point for a lender assessment.
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What this result means
The result is an estimate produced from the information and assumptions entered. It is not a credit assessment, approval, quote or recommendation. Actual lender calculations can use different assessment rates, income treatment, living expenses, fees and product rules.
Rates, government charges, grants and eligibility rules can change. Confirm important figures with the relevant lender, revenue office or qualified adviser before making a financial or property decision.
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How to use this home loan borrowing calculator
Have your income, regular living expenses and existing commitments ready. Check the income period and whether each field asks for an amount before or after tax. Follow the calculator’s instructions for applicants, dependants, credit cards and existing loans.
Keep a note of your inputs. When testing another scenario, change one factor at a time so you can see what affects the estimate. For repayments on a particular loan amount, use the loan repayment calculator.
Borrowing capacity is different from a purchase budget
The estimated loan amount is only one part of the budget. Your deposit, purchase costs and the cash you want to retain also matter. See our guide to how much you can borrow for a home loan.
Why a lender’s assessment can differ
A lender assesses your documents, financial commitments and eligibility under its own rules. Its treatment of income, expenses and interest-rate assumptions may differ from this calculator. The result is a planning estimate, not a loan offer or pre-approval.
Using the calculator when you are self-employed
Do not substitute business turnover for personal income. The amount a lender accepts needs to be established from the relevant financial evidence. Our self-employed home loans page explains the starting points for a review.
Using the calculator to plan a refinance
Borrowing capacity does not tell you whether switching is worthwhile. A home loan refinance review also compares switching costs, features, the remaining term and your plans.
Ask Monet to review my borrowing position. Bring the inputs you used so we can discuss the estimate in context.