Free Tool · Buying a Home

Mortgage Repayment Calculator

See your repayment amount, total interest, and how extra repayments can shave years off your mortgage and save you thousands.

Your mortgage details
$
Extra repayments (optional)
$
$
Estimate only. Uses standard amortisation formula. Does not account for offset accounts, redraw, fees, or rate changes. Always confirm with your lender.
Monthly repayment
$3,674.81/month
$600,000 over 30 years at 6.2% p.a.
Total interest
$722,933
Total amount paid
$1,322,933
Loan term
30 years
Cost breakdown
Loan principal
$600,000
Total interest
$722,933
Total cost of loan
$1,322,933
Outstanding balance over time
Standard repayments
How extra repayments help
Extra/monthLoan termTotal interestInterest saved
None ✦30 years$722,933
+$10027 yr 11 mo$661,115save $61,818
+$25025 yr 3 mo$588,038save $134,895
+$50022 years$499,264save $223,669
+$1,00017 yr 8 mo$387,015save $335,918
Go deeper with Buying a Home lessons
You've run the numbers —
now understand what you're signing up for

A repayment figure is just the start. These lessons explain fixed vs variable rates, offset accounts, and how to pay your mortgage off faster.