Extra Repayment Calculator
Estimate how additional monthly repayments could change loan duration and total interest.
An estimate is the beginning.
Change the inputs, compare the result and download a branded report—then verify important decisions against actual lender policy and your complete circumstances.
Extra repayment calculator
Estimate how recurring additional repayments may shorten the loan and reduce interest.
Download this calculation as a PDF.
The report includes the figures currently shown, Rockvale Finance contact details, the calculation assumptions and an important disclaimer.
Results are estimates only and do not constitute credit, financial, tax or legal advice. They exclude some fees and may use simplified assumptions. Actual repayments, borrowing capacity, tax, costs and eligibility depend on lender or government rules and your complete circumstances.
Turn the estimate into a better question.
Regular additional repayments can reduce the principal earlier, which may reduce future interest and shorten the loan term.
- 01Enter the current balance
- 02Use the current interest rate
- 03Enter the remaining term
- 04Test a sustainable monthly extra repayment
Important considerations.
- Some fixed loans restrict additional repayments
- Rates are assumed to remain unchanged
- Redraw access depends on product rules
- Keep an appropriate emergency cash buffer
Is one lump sum better than monthly extra repayments?+
Earlier principal reduction generally has more time to affect interest, but the right approach depends on available cash, product rules and your buffer.
Can I withdraw extra repayments later?+
Only when eligible redraw is available under the lender and product terms. Access is not the same as an offset account.