GST-Inclusive E-commerce Pricing Calculator
Work out the GST-inclusive selling price needed to achieve a target GST-exclusive profit margin on an online sale.
Your results
Calculation breakdown
- GST-exclusive price
- Product cost ÷ (1 − Target margin)
- GST-inclusive price
- GST-exclusive price × 1.1
Worked example
A $25 product with a 35% target margin needs a $38.46 ex-GST price, or $42.31 including 10% GST.
Assumptions
- Only GST-registered businesses need to add the 10% GST component.
- Registration is generally required once turnover exceeds the ATO's registration threshold.
- Check current ATO guidance for exports or overseas customer treatment.
How this calculator works
Enter your product cost and target margin to see the GST-exclusive price needed, then the GST-inclusive price a registered business would charge Australian customers. This helps price consistently across a GST-registered online store.
Rates sourced from the Australian Taxation Office for the 2026–27 financial year. Last reviewed 01/07/2026.
Frequently asked questions
Do all online sellers need to charge GST?
Only businesses registered for GST need to charge it; registration is generally required once turnover exceeds the ATO's registration threshold.
How is the GST-inclusive price calculated?
The GST-exclusive price is multiplied by 1.1 to add 10% GST, based on the current standard Australian GST rate.
Does this apply to sales to overseas customers?
GST treatment for exports and overseas customers can differ — check current ATO guidance for your specific situation.
Rates and thresholds are configured for the 2026–27 Australian financial year and should be reviewed when government settings change.