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GST & BAS Calculator

Split any amount into its GST, ex-GST and inc-GST parts for your BAS.

Your details

$

The GST split

Total including GSTAmount ex GST: $10,000.00$10kGST: $1,000.00$11kAmount ex GSTGST

GST component

$1,000.00

  • Amount excluding GST$10,000.00
  • Amount including GST$11,000.00
  • GST rate applied10%

Quarterly BAS lodgements are generally due 28 October, 28 February, 28 April and 28 July. Lodging through a registered agent can extend some of those dates.

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This calculator gives a general estimate only. It is not personal financial, credit or tax advice and does not take your objectives or circumstances into account.

What this calculator assumes

  • GST is calculated at the standard rate for the 2026-27 financial year.
  • You are registered for GST and the supply is a standard taxable supply.
  • GST-free and input-taxed items — including most basic food, health and education — are not covered here.
  • Rates and thresholds current as at July 2026.

This calculator provides a general estimate only. It is not personal financial, credit or taxation advice and does not take your objectives, financial situation or needs into account. Counting Beans A.F. provides financial advice under AFSL 491754 (D&M Financial Services Pty Ltd) and credit assistance under Credit Representative number 528884. Please read our Financial Services Guide and Credit Guide, and speak with us before acting on any result.

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