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GST Calculation Worksheet Example

Example document for GST Calculation Worksheet. Use this as a reference when creating your own.

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Document: GST Calculation Worksheet

Example Document

Last updated 7/30/2026

GST Calculation Worksheet

Business Name: Smiths Plumbing Services ABN: 12 345 678 901 BAS Period: 01/07/2023 to 30/09/2023 Reporting Method: Cash


1. Total Sales (G1)

DescriptionTotal Amount ($)GST Amount ($)Tax Code
GST Free Sales (No GST)$ 0.00$ 0.00GST-FREE
Input Taxed Sales (No GST)$ 0.00$ 0.00INPUT-TAXED
Taxable Sales (Includes GST)$ 33,000.00$ 3,000.00TA
Total Sales (G1)$ 33,000.00

2. GST on Sales (1A)

Calculation ComponentAmount ($)
GST on Taxable Sales$ 3,000.00
Adjustments (e.g. Bad Debts)$ 0.00
Total GST on Sales (1A)$ 3,000.00

3. Total Purchases (G10)

DescriptionTotal Amount ($)GST Amount ($)Tax Code
Purchases with no GST (Bank Fees)$ 150.00$ 0.00GST-FREE
Capital Purchases (New Drill)$ 1,100.00$ 100.00CA
Other Purchases (Materials)$ 10,450.00$ 950.00CR
Total Purchases (G10)$ 11,700.00

4. GST on Purchases (1B)

Calculation ComponentAmount ($)
GST Credits on Capital Purchases$ 100.00
GST Credits on Other Purchases$ 950.00
Adjustments (e.g. Private Use)$ 0.00
Total GST on Purchases (1B)$ 1,050.00

5. Net Calculation

FieldAmount ($)
Total GST on Sales (1A)$ 3,000.00
Less Total GST on Purchases (1B)$ 1,050.00
Net Amount to Pay or Refund$ 1,950.00

Declaration:

I declare that this worksheet is a true and accurate record of the business transactions for the period stated.

Name: John Smith Date: 25/10/2023 Position: Owner

Notes

  1. Sales include GST. The GST component of $33,000 is $3,000 ($33,000 divided by 11).
  2. Bank fees are GST free, so no credit is claimed.
  3. The new drill is a capital acquisition over $1,000. The GST of $100 is claimed.
  4. Materials are everyday business purchases. The GST of $950 is claimed.
  5. The business owes the ATO $1,950 for this quarter.

About this Example

Part of the GST Calculation Worksheet document collection

Document Type

GST Calculation Worksheet

A tool to help businesses record sales and purchases to calculate the net Goods and Services Tax amount to report or claim on their Business Activity Statement.

Complexity

moderate

Risk Level

medium