Australian Tax Calculators
& Business Tools

Estimate annual vehicle registration cost (rego) for any Australian state, NSW, VIC, QLD, WA, SA, TAS, NT, ACT. Includes CTP, motor vehicle tax, traffic levies and plate fees.

Free VIN decoder. Enter a 17-character VIN to decode make, model, body type, engine and transmission via the NHTSA vPIC database, with a built-in validity check (ISO 3779 check digit, country of origin, model year).

Create professional, GST-compliant invoices for free. No signup. Automatic GST calculation, ABN fields, and PDF download, built for Australian sole traders, tradies, and small businesses.

Instantly add or remove 10% GST. Calculate the GST-inclusive price, GST-exclusive price, and GST component for any amount.

Check any Australian Business Number. The 11-digit checksum is verified here and always works; the status, entity name and GST registration come from the Australian Business Register when it answers, and the tool says so when it does not.

Estimate your Business Activity Statement (BAS) obligations. Calculate GST payable, PAYG withholding, and PAYG instalments for your quarterly BAS.

Estimate the cost of a roadworthy certificate (VIC RWC), pink slip (NSW eSafety), Safety Certificate (QLD), RVI (TAS) or other state-specific vehicle inspection across Australia.

Download free ATO-compliant invoice templates for Australian businesses. Standard, tradie, freelancer, service, and non-GST sole-trader templates, as Word (.docx) or print-ready files.

Free calculator that tells you when your next vehicle service is due. Pick your make, enter your current KM and last service details, and see the manufacturer-recommended next service date and KM.

Price any job in seconds. Add labour, materials, markup, travel and 10% GST to build an accurate quote. For plumbers, electricians, builders and all Australian trades.

Free VIN check that validates a 17-character VIN, verifies its check digit, and decodes the country of origin and model year, instantly, 100% in your browser.

Price any cleaning job by the hour, per room, or per m², add supplies, travel, and 10% GST for an instant quote total.

Work out the hourly charge-out rate you need to hit your target take-home. Free Australian rate calculator for sole traders and contractors, factors in billable hours, overheads, super, and tax.

Convert between markup, margin, and sell price. Enter your cost plus a markup %, margin %, or sell price to instantly find the other two, your profit, and GST.

Work out the interest and late fees owed on an overdue invoice. Enter the unpaid amount, your interest rate, the due date, and when it was paid to see days overdue, interest accrued, and the total now owed.

Forecast small business cash flow month by month. Enter your opening balance, cash in and cash out, and see the closing balance and any month you run short.

Work out the card surcharge that recovers your payment-processing fee, the total if you pass it on, and what you net if you absorb it. Built for Australian RBA surcharging rules.

Calculate business loan repayments per period, total interest, and total repaid. Enter your loan amount, interest rate, term, and repayment frequency.

Find your break-even point in units and revenue. Enter your fixed costs, selling price, and variable cost per unit to see how much you need to sell to cover all costs.

Estimate how much your business is worth. Enter your annual net profit (or SDE/EBITDA) and an industry multiple to get a low, typical, and high value range.

Generate dozens of business name ideas from a keyword and your trade. Free Australian business and tradie name generator, with ABN and ASIC availability tips.

Estimate how much a bookkeeper costs per month and per year based on your transaction volume, payroll, and BAS frequency, and compare it to doing your own books with software.

Work out the true annual cost of owning a car. Enter kilometres, fuel economy, fuel price, rego, insurance and servicing to see your cost per kilometre.

How to check a used car for money owing, write-offs and stolen status before you buy, what a PPSR certificate shows, the official $2 cost, and what a free VIN check can and can't tell you.

Work out how many supervised logbook hours you need to get your Ps, for NSW, VIC, QLD, SA, WA, TAS, ACT and NT. Total hours, night hours, minimum learner hold, and over-25 exemptions.

Estimate the total cost of learning to drive in Australia, professional lessons, learner permit and practical test fees, with typical 2026 lesson rates for every state.

Estimate what you can earn as a driving instructor in Australia, gross and net income from your hourly rate, lessons per week and running costs, including the cost of marketplace commission.

Calculate capital gains tax on property, shares, or crypto sales. Includes the 50% CGT discount for assets held over 12 months.