Extra repayments

See how much interest you could save — and how many years you could cut off your loan — by paying a little extra.

Repayment frequency

Monthly repayment (with extra)

$3,198

Interest you could save

$103,145

Time off your loan

4 years, 6 months

Loan balance over time

$0$100k$200k$300k$400k$500k0y5y10y15y20y25y30yPaid off
Without extraWith $200 extra monthly

Estimates only, for illustration — they assume a constant interest rate and don't account for fees, offset accounts or rate changes. Not financial advice. Talk to us for figures based on your situation.

About this calculator

Even small extra repayments can make a big difference over the life of a home loan. Because interest is charged on your outstanding balance, every extra dollar you pay reduces that balance — and the interest charged on it — for the rest of the loan.

Use this calculator to see how regular extra repayments change your total interest and how many years you could shave off your loan. Then adjust the amount until you find a repayment you're comfortable with.

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How it's calculated

  • We work out your normal repayment for the loan amount, rate and term you enter.
  • We add your extra amount to every repayment and re-calculate how long the loan takes to clear.
  • The interest saved is the difference between the total interest on the original schedule and the shortened one.

Frequently asked questions

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