This Simplified BAS calculator helps Australian SMEs with GST turnover under $10M estimate net GST for their Business Activity Statement. Ideally for quarterly BAS checks.
Enter total sales (G1), GST on sales (1A), and GST on purchases (1B) in AUD to get net GST.
Use it to supplement your quarterly BAS preparation or financial reviews. Note this excludes PAYG or other taxes, so ensure you also think about these where applicable.
True 3-field Simplified BAS for small businesses.
This calculator provides a general estimate for Simplified BAS only and does not constitute tax advice. Scale Suite is not liable for any loss arising from reliance on this tool.
Always consult a registered BAS or tax agent and verify with the ATO for your specific situation. Visit ATO BAS for details.
Purpose:
Designed for Australian small and medium enterprises (SMEs) with GST turnover under $10M, bookkeepers, and business owners, this tool estimates net GST for Simplified BAS using ATO-compliant calculation: Net GST = 1A (GST on sales) - 1B (GST on purchases). Ideal for quarterly BAS checks.
Tips for Ongoing Use:
Bookmark this page (Ctrl+D or Cmd+D) for quick access during BAS lodgment. Use figures from your accounting software for precision!
Understanding Customer Lifetime Value Basics:
Simplified BAS is for businesses with GST turnover < $10M, requiring only three fields: G1 (total sales), 1A (GST collected on taxable sales), and 1B (GST paid on purchases, i.e., input tax credits). Net GST is payable (positive) or refundable (negative).
Excludes PAYG or other taxes, keeping it simple for small businesses.
Key Components:
- G1: Total Sales: All business income for the period (GST-inclusive if applicable).
- 1A: GST on Sales: Total GST collected on taxable sales.
- 1B: GST on Purchases: Total GST paid on business purchases (input tax credits).
Benefits for SMEs:
This calculator simplifies GST estimation, supports cash flow planning, and aids BAS compliance. Explore Scale Suite’s finance services for expert support. This tool is an estimate just for GST only and not tax advice. Consult a registered BAS or tax agent and confirm with the ATO for your specific situation, especially for complex transactions or other taxes.
Additional Resources:
Explore Scale Suite’s resources for additional insights or review our Simpler BAS article here.
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