§ Tool · tier 1 · independent
Chattel Mortgage Calculator.
Calculate business vehicle finance with chattel mortgage and tax benefits
CalculatorFree, no signupOn-deviceupd May 2026
Inputs
Your numbers
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.
Chattel mortgage is a popular business vehicle finance option. You own the car from day one, claim GST credits immediately, and deduct interest and depreciation. This calculator shows the after-tax cost.
§ Worked examples
Real-world scenarios
Ute for Tradesman
$55,000 ute (inc GST), 5 years at 7%, 80% business use, 25% company tax rate.
Inputs
price:55,000rate:7term:5businessUse:80taxRate:25
GST credit: $4,000. Annual depreciation deduction: ~$24,000 (instant write-off). Monthly repayment: $990. After-tax effective cost significantly reduced.
§ FAQ
Questions Australians ask
§ GlossaryChattel Mortgage A business loan where the vehicle is security (chattel) but you own it from the start. GST Credit Businesses can claim back the GST component of the vehicle purchase (business portion). Instant Asset Write-Off Immediate tax deduction for eligible business assets (thresholds vary by year). Logbook Method Keeping detailed records to prove business vs private use for tax purposes.