The Finance Algorithm
§ Tool · tier 1 · independent

Equipment Finance Calculator.

Calculate repayments for equipment finance, chattel mortgage, and hire purchase. Compare leasing vs buying for tax and cash flow impact.

CalculatorFree, no signupOn-deviceupd August 2026
Inputs
Your numbers
$
$80k

The purchase price of the equipment before GST

$
$0

Any upfront deposit or value of equipment being traded in

%
7.5%

Equipment finance rates typically range from 5.5-15%

5

Typically 2-7 years depending on the equipment's useful life

Each type has different tax, GST, and ownership implications

%
20%

Final payment as % of equipment cost (reduces monthly repayments)

%
25%

Your company tax rate or marginal rate (sole trader)

Math updates live as you change inputs · AI runs on submit

Awaiting inputs

Move the sliders or type in the form on the left — the math updates live as you go. Click Get AI verdict when you want a written analysis.

Equipment finance lets businesses acquire vehicles, machinery, technology, and other assets without paying the full cost upfront. In Australia, the main options are chattel mortgage (you own it, claim GST upfront), hire purchase (you own it after final payment), finance lease (lender owns it, you lease it), and operating lease (pure rental). Each has different tax, GST, depreciation, and cash flow implications. This calculator compares them so you can choose the best structure for your business.

§ Worked examples

Real-world scenarios

Work Ute — Chattel Mortgage

A tradie buys a $65,000 (ex-GST) Toyota HiLux via chattel mortgage at 6.9% over 5 years, 20% residual.

Financed amount: $65,000. Monthly repayment: $1,102. Residual (balloon): $13,000 due at end. Total of repayments: $66,118; total paid including the balloon: $79,118. GST claimed upfront: $6,500. Annual depreciation deduction (straight-line over 5 years): $13,000. After-tax cost (25% company tax rate): significantly reduced once interest, depreciation, and the GST credit are factored in.

Restaurant Equipment — Finance Lease

A restaurant leases $120,000 of kitchen equipment via finance lease at 8.5% over 7 years, no residual.

Monthly payment: $1,900. Total paid: $159,632. Total interest: $39,632. As a finance lease, the full $1,900/month is 100% tax-deductible. At 25% company tax, the after-tax cost is ~$1,425/month. No GST claimed upfront, but GST is embedded in the payments.

§ FAQ

Questions Australians ask

§ Glossary

Plain-English definitions

Chattel Mortgage
A finance arrangement where you own the asset from day one, with the lender holding a mortgage over it as security. You claim GST upfront and depreciate the asset.
Residual Value (Balloon)
A final lump-sum payment at the end of the finance term. Setting a residual reduces monthly repayments but means you owe a large amount at the end.
Finance Lease
An arrangement where the lender owns the asset and leases it to you. Payments are 100% tax-deductible. At the end, you can purchase the asset for a nominal amount, re-lease, or return it.
Instant Asset Write-Off
A permanent tax feature (from 1 July 2026) letting businesses with turnover under $10 million immediately deduct the full cost of eligible assets under $20,000 in the year of purchase, rather than depreciating over several years.