GST Guides
Plain-English guides to the Australian Goods and Services Tax, calculations, registration, and exemptions.
GST Basics
How to Calculate GST in Australia
Step-by-step guide to calculating GST — adding 10%, removing GST from a total, and handling GST on invoices and BAS statements.
Exemptions
GST-Free Items in Australia
Complete guide to goods and services exempt from GST, including fresh food, health, education, and exports.
Registration
GST Registration Threshold in Australia
When you need to register for GST, the $75,000 threshold, voluntary registration benefits, and how to register with the ATO.
Getting Started
GST for Small Business: Complete Beginner's Guide
Everything Australian small business owners need to know about GST — registration, charging GST, BAS lodgement, input tax credits, record-keeping, and common mistakes.
Getting Started
GST for Freelancers & Sole Traders
Practical guide to GST for Australian freelancers — registration, invoicing, claiming credits on expenses, overseas clients, home office, and common mistakes.
Credits
Input Tax Credits: What You Can (and Can't) Claim
Complete guide to GST input tax credits — which purchases qualify, blocked credits to avoid, tax invoice rules, apportionment for mixed-use, the car limit, and the 4-year time limit.
Property
GST on Property: Residential, Commercial & Margin Scheme
How GST applies to property sales in Australia — new residential premises, commercial property, the margin scheme, going concern exemptions, GST withholding at settlement, and when subdivisions trigger GST.
BAS
BAS Lodgement Guide: How to Prepare & Submit
Step-by-step guide to preparing, lodging, and paying your Business Activity Statement — with 2025-26 due dates, Simpler BAS labels, lodgement methods, payment options, and penalty rates.
BAS
Cash vs Accrual Accounting for GST
Understand the difference between cash and accrual GST accounting — how each method affects your BAS, eligibility rules, which suits your business, and how to switch.
International
GST on Imports & Exports: What Australian Businesses Need to Know
How GST applies when you import goods into Australia or export from Australia — the value of taxable importation formula, deferred GST scheme, GST-free exports, reverse charges, and BAS reporting.
Related Calculators
Tax & Income
Income Tax Calculator
Estimate your take-home pay after income tax and Medicare levy.
Property & Housing
Stamp Duty Calculator
Calculate stamp duty and transfer fees across all Australian states.
Property & Housing
Mortgage Repayment Calculator
Estimate your mortgage repayments with amortisation schedule.