Loan Comparison

Last reviewed: 7 August 2026

Compare two different loan structures to see which one saves you more money and time.

$
%

Fees

$
$
$

Features & Extra

$
$

$
%

Fees

$
$
$

Features & Extra

$
$

Total Savings (Inc. Fees)

$267,110.60

Savings with Loan B

Time Saved

10.4 Years

Difference in loan duration

Lowest Total Cost

$829,500.08

Lower total repayment including fees

Detailed Comparison

MetricLoan ALoan BDifference
Total Periodic Outgoing$3,046.14$3,494.54$448.40
IO Term0 yrs0 yrs0 yrs
Upfront Fees$0.00$600.00$600.00
Total Interest Paid$596,610.69$321,395.08$275,215.60
Total Cost (Inc. Fees)$1,096,610.69$829,500.08$267,110.60
Years to Pay Off30.0 yrs19.6 yrs10.4 yrs

Loan Balance Over Time

Visual comparison of how quickly each loan is paid off.

  • Loan A Balance
  • Loan B Balance
0123456789101112131415161718192021222324252627282930Years$0k$150k$300k$450k$600k

Frequently Asked Questions

What does this loan comparison calculator show?

It runs two loan scenarios side by side using the interest rate, term, fees, offset balance, and extra repayments you enter for each, then compares total repayments, total interest, and time to pay off. The chart tracks how each loan balance runs down over the life of the loan.

Should I compare headline rate or comparison rate?

Enter the headline interest rate for each loan, then add the upfront and ongoing fees separately — the calculator works out the true cost including fees for you. This lets you see the effect of fees on a lower-rate loan rather than relying on a lender's advertised comparison rate alone.

How does the offset balance affect the result?

An offset balance reduces the interest-bearing portion of the loan, so interest is charged only on the loan amount minus the offset balance. This is modelled as a static offset — it does not grow the offset balance over time, so treat it as a simplified estimate for a client with a consistent offset balance.

Can I model extra repayments?

Yes. Enter a regular extra repayment amount for either loan and the calculator will reduce the term and total interest accordingly, using the selected repayment frequency (weekly, fortnightly, or monthly).

Does this account for interest rate changes over the loan term?

No — each loan uses a single interest rate held constant for the full term. Interest rates on variable loans can change; use this as a point-in-time comparison and revisit it if rates move materially.

Is this a substitute for a lender's formal quote?

No. This tool is for illustrating the difference between two loan structures during a client conversation. Always confirm exact repayments, fees, and comparison rates with the lender's official quote or key facts sheet before a client commits.

This tool is for education and estimation only. It is not financial or credit advice.