Interest Rate Lock: An agreement between a borrower and a lender that allows the borrower to lock in the interest rate on a mortgage for a specified time period.
Debt Consolidation Australia Mortgage Refinance Calculator
Estimate the financial pros and cons of refinancing your mortgage, including break costs, establishment fees and interest rate differentials. This calculator also includes a comparison amortization schedule with break-even point, and charts to help you understand whether or not mortgage refinancing could be beneficial over time.
Calculator results are estimates only and not quotes. Actual quotes will be provided by licensed brokers after you submit an enquiry.
1. Current mortgage
2. New loan
3. Results
4. Charts
5. Table
Mortgage Refinance Calculator
Estimate whether refinancing your mortgage could reduce repayments, lower total interest, or improve cash flow after allowing for new rates, loan terms, fees, cashback offers and any extra amount borrowed.
Current mortgage details
Optional. Leave blank and the calculator will estimate the required repayment from the balance, rate and remaining term.
Include discharge fees, settlement fees, fixed-rate break costs or similar costs payable to leave the current loan.
Proposed refinance details
Refinance costs and adjustments
Optional. If some costs are not added to the new loan, enter the amount here.
Refinance summary
Enter your mortgage and refinance details to calculate an estimated result.
$0
Estimated monthly repayment difference
$0
Estimated lifetime saving / cost difference
$0
Estimated interest saving / increase
N/A
Estimated break-even point
$0
Current estimated repayment
$0
New estimated repayment
$0
Estimated new loan amount
$0
Net refinance cost after cashback
This calculator provides general estimates only. Actual refinance outcomes may vary depending on lender policy, credit assessment, valuation, interest rate changes, fees, repayment structure and whether costs are paid upfront or added to the loan.
Refinance comparison charts
The charts compare your estimated current mortgage path against the proposed refinance option.
Loan balance over time
Cumulative interest paid
Total cost comparison
Cumulative saving / cost over time
Amortisation comparison table
Period
Label
Current balance
Current interest
Current repayment
New balance
New interest
New repayment
Cumulative current cost
Cumulative new cost
Cumulative saving
How to use our Mortgage Refinance Calculator
Our Mortgage Refinance Calculator helps you estimate the financial pros and cons of refinancing a home loan in Australia by comparing your current mortgage against a proposed new loan. It factors in interest rate differences, remaining term, ongoing fees, exit or break costs, new lender establishment costs, cashback incentives, and any extra amount borrowed. This matters because a lower rate does not always mean a better outcome once upfront costs and loan term changes are included.
How to complete the calculator for the most accurate result:
1. Current mortgage details
Enter your current loan balance, current interest rate, and the remaining term in years and extra months. Choose your repayment frequency. If you know your current regular repayment, add it (optional); otherwise the calculator will estimate it. Include any extra repayments per period and your current monthly loan or package fee. Add your estimated discharge, exit, or fixed-rate break fee, as this can materially change the break-even point.
2. Proposed refinance details
Enter the new interest rate, select the new rate type, and input the new loan term. Add any extra repayment you plan to make on the new loan to reflect faster debt reduction.
3. Refinance costs and adjustments
Enter application, settlement, legal, valuation, lender and government fees. Add any cashback incentive, and include any extra amount borrowed or cash out. If you will pay some costs from savings instead of adding them to the loan, enter the amount under costs paid upfront. Include the new monthly loan or package fee and choose your main refinance goal.
How to interpret the results:
Review the estimated monthly repayment difference, lifetime saving or cost difference, and interest saving or increase. The break-even point shows when cumulative savings offset net refinance costs after cashback. Use the charts and amortisation comparison table to see how balances, interest and total costs evolve over time.
Important: This calculator provides general information only and does not consider your objectives, financial situation or needs. Results are estimates and may differ due to lender policies, rate changes and fees. Consider getting professional advice before refinancing.
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