Free Australian Income Tax Excel Spreadsheet Calculator

This free to download Excel tax calculator has been updated for the 2021-22 and later years 2022-23, 2022-24 and 2024-25 and includes the March 2022 Budget increase of $420 to the Lower and Middle Income Tax Offset for the 2021-22 year.

Jump to the download link.

Stage 3 Tax Cuts Adjusted

25 January 2024

The government has approved amendments to reduce the benefit of the original stage tax 3 cuts for higher income earners, and improve the tax scale for lower income earners.

The proposed changes are applicable from 1 July 2024.

More information on the changes is available here.

The Excel calculator downloadable below is being updated for the amended stage 3 tax cuts tax scales and will be available later today.

The current version of the Excel spreadsheet (xlsx) has tabs for tax years 2018 to 2024-25.

The calculator spreadsheet is a multitab MS Excel xlsx file of approx 110kb.

The tax rates used are the official tax rates as legislated by parliament and published by the Tax Office, except for 2025 rates whuch have been taken from confirmed government announcement (latest January 2024).

Please bear in mind that tax rates can be changed at any time according to government policy.

Useful as a planning tool, this spreadsheet tax calculator provides current adult resident tax rate calculations, with LITO, LMITO, manual medicare selectors and a scratch pad area where you can review the results with adjustments and after-tax calculations.

This is a simple spreadsheet calculator which enables the calculation of income tax plus Medicare Levy and LITO/LMITO for taxable income on an annual basis. (For periodic income payments, there is a calculator for tax instalment PAYG purposes here.)

Get the free calculator here

[Updated Jan 2024] Tax calculations have been updated to include the updated Stage 3 Tax Cuts tax scale confirmed 25 January 2024.

This page was last modified 2024-01-25