How does my interest rate impact my repayments?

Perhaps the most influential factor on a person's home loan repayments is their interest rate. It determines how much interest is charged on each dollar borrowed

And it can have a big impact on the size of a person's mortgage repayments.


Take a look at how a single percentage point can make a notable difference to the repayments on a 30 year, $400,000 loan @ 6.39% interest:

Loan Amount
Annual Interest Rate
Term (Years)
Annual Interest RateMonthly InstalmentDifference
5.39%$8,273
-$943
5.64%$8,505
-$712
5.89%$8,739
-$477
6.14%$8,977
-$240
6.39%$9,217
$0
6.64%$9,459
$243
6.89%$9,704
$488
7.14%$9,952
$736

Note: This calculator provides estimates based on the information you provide. Actual mortgage terms and payments may vary based on your specific situation, credit score, and lender requirements.

Mortgage Rate Change Calculator Features

  • Interactive loan amount adjustment from $0 to $2,500,000
  • Interest rate comparison from 0% to 10%
  • Loan term options from 1 to 30 years
  • Real-time payment calculation updates
  • Visual comparison of payment differences
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