Free mortgage savings calculator

See what a lower rate and extra repayments could save you.

Compare your current home loan with a new rate, then see the potential effect of keeping your repayments higher or adding a little extra each month.

Your numbers

Home loan savings calculator

Enter your current loan details. Your repayment can be calculated automatically, and the new loan will use the same remaining term unless you choose a different one.

1 Current home loan

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yrs
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Leave blank and the calculator will estimate your minimum repayment.

2 New loan and extra repayments

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yrs

Leave blank to use the same remaining term as your current loan.

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No information is savedThe calculator runs in your browser and does not send your loan figures anywhere.
Flexible new loan termThe current remaining term is used automatically unless you enter a different new loan term.
Built for a quick first checkA proper review can include fees, loan features, lender policy and your wider goals.
Important: This calculator is a model, not a prediction. It provides estimates for principal-and-interest loans using a constant interest rate and regular repayments. It does not include lender fees, refinancing costs, offset balances, redraws, introductory periods, interest-only periods, rate changes, daily interest timing or lender-specific rounding. Actual repayments, savings and loan terms may differ. Results are general information only and do not consider your objectives, financial situation or needs. Check whether your lender allows extra repayments and whether fees or limits apply.