10% Australian GST & BAS Calculator (Inclusive / Exclusive)
Calculate 10% GST amounts (add 10% or divide by 11 for inclusive), input tax credits, and quarterly Business Activity Statement (BAS) net obligations.
Calculate 10% GST amounts (add 10% or divide by 11 for inclusive), input tax credits, and quarterly Business Activity Statement (BAS) net obligations.
Calculate 10% GST amounts (add 10% or divide by 11 for inclusive), input tax credits, and quarterly Business Activity Statement (BAS) net obligations. Calculate exact, penny-accurate projections compliant with 2026 ATO • Reserve Bank of Australia (RBA) standards using Calconova's deterministic IEEE-754 (Decimal.js) calculation engine with instant breakdowns.
GST collected exceeds input tax credits paid.
Net GST Payable (or Refund) = 1A (GST on Sales) - 1B (GST on Purchases)GST on inclusive price = Price ÷ 11.
All calculations, amortizations, and scenario projections displayed on this page are strictly for informational and educational purposes. Nothing herein constitutes investment, financial, tax, or legal advice. Actual ATO tax rates, superannuation rules, RBA cash rates, and lender criteria may vary. Calconova explicitly disclaims all liability for any decisions taken based upon these calculations. Consult an ASIC-licensed financial advisor or CPA prior to executing financial commitments.
You must register for GST within 21 days if your gross annual turnover reaches or is expected to reach $75,000 ($150,000 for non-profit organizations), or if you provide ride-sourcing (e.g. Uber) regardless of turnover.
Australian GST is 10%. To add GST to an exclusive amount, multiply by 0.10. To extract GST from a GST-inclusive price, divide the total price by 11.
On your Business Activity Statement (BAS), label 1A represents GST you collected from your customers, and label 1B represents GST credits you paid on legitimate business inputs.
Calculate net take-home pay across weekly, fortnightly, monthly and annual periods with updated Stage 3 tax cuts, Medicare Levy (2%), and 12% Superannuation.
Calculate compulsory HECS/HELP repayments based on your Repayment Income (1% to 10% tiers) and estimate annual inflation indexation impacts.
Estimate your 2% Medicare Levy, low-income threshold phase-in relief, and Medicare Levy Surcharge (MLS 1% to 1.5%) if you do not have private hospital cover.