Equipment finance and chattel mortgage calculator
Work out chattel mortgage and equipment finance repayments with a deposit, a balloon and the GST credit, capped at $6,353 on a passenger car in 2026-27. The rate starts at an illustrative 10% p.a.; replace it with the rate on your quote.
Equipment Details
Balloon due at end of term
Payable as a lump sum after 60 monthly repayments. You can pay it out, refinance it over a further term, or sell or trade the equipment and settle from the proceeds.
Cost breakdown
Chattel mortgage GST credit
The GST component of the purchase price. On a chattel mortgage, a GST-registered business generally claims it on the BAS for the period it buys the asset, even though the loan runs for 5 years, and only for the business-use share. On a lease you claim GST on each rental instead. Confirm your position with your accountant.
Key metrics
Note: Estimates only. Excludes establishment, account, and broker fees, and any insurance you choose to finance. Actual rates depend on the asset, its age, and your business profile.
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What a balloon actually costs you
A balloon lowers the monthly repayment, which is why brokers and dealers reach for it. It is not free money: the balance stays higher for longer, so you pay more interest and you still owe a lump sum at the end.
Based on $150,000 financed over 5 years at 10% p.a.
How the car limit changes a chattel mortgage on a car
On a passenger car, two ATO caps shape the tax result of a chattel mortgage. For 2026-27 the car limit is $69,883: it caps the cost you can depreciate, and the excess cannot be claimed under any other rule. The GST credit is capped at one-eleventh of it, $6,353, however much GST is in the price. Both caps are reduced to the business-use share.
Take a $90,000 car, GST included, used fully for business. The price carries about $8,182 of GST, but the credit is $6,353, and depreciation runs on $69,883, not the full price. A cab chassis or ute built to carry a tonne or more is outside the car limit, so the same price would return the full GST and depreciate in full. The ATO measures that tonne as the payload: the gross vehicle mass on the compliance plate less the basic kerb weight, and plenty of dual cabs fall just under.
The repayments do not change: the loan is the same whichever vehicle it is. Tick the passenger car box above to see the capped credit, and read the chattel mortgage guide and the business car loans guide for the structure and the lenders.
Which equipment finance structure fits
The repayment maths is the same. What changes is who owns the asset, when you claim GST, and how it sits on your balance sheet.
Chattel Mortgage
Read moreOwnership: You own the equipment from day one; the lender takes a security interest.
GST: Claim the GST in the price on your next BAS (capped on a passenger car).
Best for: GST-registered businesses buying an asset they intend to keep.
Hire Purchase
Read moreOwnership: The lender owns the equipment until the final payment, then title transfers.
GST: Claimed up front for agreements made since 1 July 2012, on a cash or non-cash basis.
Best for: Businesses that want ownership at the end but not on day one.
Finance Lease
Read moreOwnership: The lender owns the asset and leases it to you for the term.
GST: GST is claimed progressively on each lease rental.
Best for: Businesses wanting fixed rentals with an ATO-compliant residual.
Operating Lease
Read moreOwnership: A rental arrangement; you hand the asset back at the end.
GST: GST claimed progressively on each rental payment.
Best for: Fast-depreciating assets you plan to upgrade, such as IT.
Equipment finance calculator questions
How are equipment finance repayments calculated?
Equipment finance repayments use the standard principal and interest amortisation formula, with one twist: most equipment loans carry a balloon (also called a residual) payable as a lump sum at the end of the term. The balloon is excluded from the amortising balance and discounted back to today, which lowers the monthly repayment but leaves a final payment to refinance, pay out, or settle by selling the asset. Your repayment therefore depends on four inputs: the amount financed (purchase price less any deposit or trade-in), the interest rate, the term, and the balloon percentage.
What is a balloon or residual on equipment finance?
A balloon (chattel mortgage and hire purchase) or residual (lease) is a lump sum owed at the end of the finance term. Setting a balloon of 20% to 30% can cut the monthly repayment noticeably, but you pay more total interest because the balance stays higher for longer. At the end of the term you either pay the balloon out, refinance it over a further term, or sell or trade the equipment and use the proceeds. For leases, the ATO publishes minimum residual values that vary by term, so a lease residual is not entirely a free choice.
Can I claim the GST on equipment finance upfront?
On a chattel mortgage, a GST-registered business generally claims the GST in the purchase price on the BAS for the period it buys the equipment, even though the loan is repaid over several years. For a hire purchase entered into on or after 1 July 2012, the ATO allows the credit up front on a cash or non-cash basis. On a lease, GST is claimed on each rental instead. Confirm the timing for your business with your accountant.
Is there a chattel mortgage calculator for a car?
This one: tick the passenger car box and it caps the GST credit at $6,353, one-eleventh of the $69,883 car limit for 2026-27 (ATO). The limit applies to vehicles built for fewer than nine passengers and a load under one tonne, so leave the box unticked for a ute, van or truck rated to carry a tonne or more.
What interest rate should I use for equipment finance?
There is no single published rate: the banks quote each asset and business. The calculator starts at an illustrative 10% p.a. For a benchmark, the RBA’s average rate on new fixed-rate small business loans was 8.09% in August 2026 (table F7), and makers’ promotions can be far lower: Kubota published business offers of 0% to 8.10% p.a. over 36 months on 10 October 2026. Replace the rate with your quote.
Does a deposit reduce equipment finance repayments?
Yes. A deposit or trade-in reduces the amount financed, so it lowers both the monthly repayment and the total interest paid. Many lenders offer 100% finance on equipment with no deposit at all, which preserves working capital but costs more over the term. A deposit can also improve the rate offered, particularly on used equipment or for businesses with a shorter trading history.
How accurate is this equipment finance calculator?
It gives a close estimate of the repayment on the numbers you enter, but it excludes establishment fees, monthly account fees, broker fees, and any insurance premiums you choose to finance. Those typically add a small amount to the real repayment. Actual rates depend on the lender, the asset, and your credit and business profile, so treat the output as an indicative figure for comparison and budgeting rather than a quote.
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