GST / VAT Calculator
Add 10% GST to price or extract GST from inclusive total instantly.
Input Parameters
Calculation Results
Formula & How GST / VAT Calculator Works
In Australia, GST is 10%. To find GST contained in an inclusive price, divide total by 11.
- Enter Price Amount ($): Input your target parameter value.
- Enter Calculation Mode: Input your target parameter value.
- Apply Formula: Calculate using
GST = Total / 11 (or Net × 0.10). - Review Results: View exact computed answers, metrics, and worked mathematical proofs.
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Frequently Asked Questions (FAQs)
How do I extract GST from a total receipt?
Divide the GST-inclusive total price by 11.
Authoritative Standards & Verified Reference Citations
Calculations and mathematical logic on this page are grounded in published statutory rules, regulatory standards, and official government data published by the following bodies:
Official 2025/2026 Individual Income Tax Brackets, Stage 3 tax cuts, PAYG withholding, BAS & GST schedules.
National portal for business registration, fair work compliance, employer super guarantee rates (11.5% - 12%).
Official financial guidance on personal taxation, superannuation compounding, and business cash flow.
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