Split-Loan Optimiser

Model a fixed/variable split and compare total interest and time to repay against a single all-variable loan. We also estimate the break-even variable rate where both options cost the same.

Inputs

Assumptions: principal & interest repayments; fixed portion amortises over the full term at the fixed rate; at the end of the fixed term, any remaining balance rolls to the variable rate and the repayment is recalculated for the remaining term. Extra repayments are applied to the variable portion only during the fixed period.

Results

Initial blended repayment (during fixed)$0
Total interest — all variable$0
Total interest — split$0
Interest difference$0
Time to repay — all variable0y 0m
Time to repay — split0y 0m
Break-even variable rate0.00%
All variable
$0
Split
$0

Important: This tool is a guide only. Figures are indicative and based on the assumptions above. It does not consider fees, rate changes, product caps on extra repayments, break costs, or your personal objectives and financial situation. Please seek tailored advice before making decisions.

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