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Calculators

Business calculators

Simple, free estimate tools for planning your business in Australia. Results are approximate and for guidance only.

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Start-up cost calculator

Add up one-off costs to launch, and see a suggested buffer for your first three months.

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GST calculator

Convert between GST-inclusive and GST-exclusive amounts at 10%.

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GST registration check

Find out whether you need to register for GST based on your turnover.

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Break-even calculator

How many sales per day, week and month to cover your fixed costs.

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Employee cost calculator

Estimate weekly, monthly and yearly wage costs, including super.

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Aussie Startup Check

A free, plain-English readiness checker and set of calculators for anyone starting a business in Australia. General information only โ€” not tax, legal or financial advice.

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ยฉ 2026 Aussie Startup Check. Information is general in nature and current sources should always be confirmed with the ATO, ASIC and business.gov.au.