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Offset Calculator

What is your offset actually doing for you?

Every dollar sitting in an offset account is a dollar the lender doesn't charge you interest on — without locking it away. Because your repayment stays the same, that saved interest goes straight onto the principal, so the loan clears years early. This calculator runs your loan month by month, with and without your offset, and shows the interest saved, the time knocked off, and your new payoff.

This is general information only and an indicative estimate. Not credit assistance, a loan offer, or a quote. Figures are estimates and may differ from a lender's assessment.

Your loan and offset

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Please enter your loan balance, rate and offset amount to continue.

Important information

This is general information only and an indicative estimate, not credit assistance, a loan offer, or a quote. Figures are estimates and may differ from a lender's assessment. Consider your circumstances and seek advice before acting.

The result assumes a 100% offset account, a constant interest rate over the full term, that your repayment stays at the contracted principal-and-interest amount, and that the offset balance remains in the account (any monthly top-up you enter is added and not withdrawn). Real outcomes change if rates move, if you draw on the offset, or if your repayment changes. Offset features, fees and rules vary between lenders. Figures are current as at 6 June 2026 and you should verify them with a lender before relying on this estimate.

LenderBridge is pursuing its credit licence pathway. Nothing here is, or should be taken as, licensed credit assistance.

How much could an offset account save you?

An offset account is an everyday transaction account linked to your home loan. The balance offsets your loan principal when interest is calculated, so every dollar parked there reduces the interest you pay — without locking your money away. This calculator shows the interest saved, the time cut from your loan, and your new payoff date.

Common questions

How does an offset account work?

Interest on your loan is calculated on the loan balance minus the offset balance, usually daily. Keeping savings and salary in the offset reduces the interest charged each month while your repayment stays the same — so more of each repayment clears principal.

Is an offset better than redraw?

Both reduce interest the same way. The difference is access and structure: an offset is an at-call account in your name, while redraw sits inside the loan and can carry withdrawal conditions. For investment loans the tax treatment can differ too — worth specific advice.

Does an offset account shorten my loan term?

It can. Because your repayment stays the same while the interest portion falls, the extra goes to principal — which can knock years off the loan if the offset balance is maintained.

General information only. This is not credit or tax advice and the figures are indicative estimates — confirm with a lender or adviser before you rely on them.