Home Loan Repayment Calculator

This calculator is a simple tool use to calculate your estimated principal & interest mortgage repayments. If you require assistance with using the calculator, we are only a click away…

Using The

Calculate your estimated principal & interest mortgage repayments based on the loan amount and the interest rate. The frequency can be changed to weekly or monthly.


  • It does not take into account any possible up-front fees. Only Ongoing fees are used not Upfront or End of loan fees (i.e. discharge costs).
  • Interest rate does not change over the loan term.
  • Interest is calculated by compounding on the same repayment frequency selected, i.e. weekly, fortnightly, monthly. In practice, the interest compounding frequency may not be the same as repayment frequency.
  • It is assumed that a year consists of 26 fortnights or 52 weeks which is counted as 364 days rather than 365 or 366 days.
  • No rounding is done throughout the calculation whereas repayments are rounded to at least the nearest cent in practice.