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AU GST Calculator 2021

Calculate Goods and Services Tax (10%) for FY 2021 (Purchase vs Sale).

🧾 Transaction Details

Percentage used for business purposes.

💵 Final Net GST

Calculating...
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How GST Works (FY 2021)

GST Basics

GST Rate is 10%.

  • Sales: You collect GST (Payable to ATO).
  • Purchases: You pay GST (Claimable from ATO if for business).
  • Formula: Inc Amount / 11 for GST component.

Business Use Rule

You can only claim GST credits for the portion of the purchase used for your business.

  • If 100% business use, full claim.
  • If 50% private, claim only 50% of the GST.

Disclaimer: Australia GST Calculator – FY 2021. Frontend-only estimation tool.