This spreadsheet calculator adds 10% to determine a GST-inclusive amount, or allows you to calculate in reverse by entering the GST-inclusive price to determine the amount of GST within.
To download the spreadsheet click on the image and save the file to your desktop.
Click here to download spreadsheet (requires MS Excel -for Windows version)
GST calculation worksheet
Click here or the image below for a PDF GST calculation worksheet for BAS. The form is fillable online or downloadable to your desktop.
This page was last modified 2017-10-21