Frequently Asked Questions

Using our GST calculator is simple. Enter your dollar amount and select whether you want to add GST (to get a tax-inclusive total) or remove GST (to get the tax-exclusive amount). The calculator instantly shows the GST component and the total using the current 10% Australian GST rate. Perfect for quotes, invoices and BAS preparations.

Yes. All our tax and finance calculators are updated with current 2024–25 and 2025–26 ATO rates, including tax brackets, Medicare levy, low-income offset, superannuation guarantee (11.5%) and PAYG withholding scales. We update them whenever the ATO publishes changes so you're always using the right figures.

Absolutely. Our GST calculator is perfect for BAS preparation — add GST to sales, remove GST from purchases, and get the exact figures you need for G1, G11 and GST credits on your BAS. We also have a PAYG withheld calculator for W1 and W2, and a salary calculator to double-check your figures before lodging.

No account needed. Every calculator and tool on ToolsHubPro is completely free to use with no sign-up required. All calculations run in your browser — your data never leaves your device. No emails, no passwords, no fuss.

All our calculators and tools are 100% free forever. Our Pro option ($2.99) is a custom Tradie Business Report that gives you personalised pricing benchmarks, profit margin analysis, tax-saving tips and a custom BAS checklist — generated for your specific trade. It's entirely optional and designed for tradies who want to take their business further.

Our construction calculators use standard Australian formulas and up-to-date material cost averages. They are designed for estimating purposes and give you a reliable ballpark figure to work with. For exact quotes, always verify with your suppliers and check site-specific conditions. They're a great starting point for quoting and budgeting.

Yes — our quote, invoice and scope-of-work templates are designed specifically for Australian tradies. They include ABN fields, GST calculations, payment terms and professional formatting. You can download them, customise them with your business details and use them for your own business. They're free to use.

You can reach us through our contact page — we aim to respond within 24 hours. Whether you have a question about a calculator, found a bug, or want to suggest a new tool, we'd love to hear from you. You can also check this FAQ page for quick answers to common questions.