Auto Loan Calculators
Vehicle Sales Tax Calculator
Calculate sales tax, registration and fees on a vehicle purchase, including the effect of a trade-in allowance.
Sales tax
$1,690
- Total out-the-door cost
- $28,240
- Taxable amount
- $26,000
- Tax saved by trade-in credit
- $520
Price less trade-inSales taxFees
How this calculator works
Tax = (price − trade-in credit) × rate; total = price − trade-in + tax + fees
- trade-in credit
- many jurisdictions tax only the difference
Important considerations
- Rules on trade-in credit differ sharply between jurisdictions.
- Dealer documentation fees may themselves be taxable.
Related calculators
- Car Affordability CalculatorThe car price a monthly budget supports.
- Auto Loan CalculatorMonthly vehicle payment after deposit, trade-in, tax and fees.
- Lease vs Buy CalculatorTotal cost of leasing against buying.
- Auto Loan Amortization CalculatorFull month-by-month car loan schedule.
- Car Depreciation CalculatorVehicle value year by year.
- Auto Loan Payoff CalculatorEarly payoff date and interest saved.
Learn more
Terms used here
Frequently asked questions
Is tax charged on the full price?
Often only on the price after a trade-in allowance, which can be worth hundreds.
Disclaimer
Legamoney calculators are educational tools. Results are estimates based on the figures you enter and do not constitute financial, tax or legal advice.
Last reviewed 2026-08-01