Resources and Tools
A collection of useful links, tools, and official resources to assist with tax and business matters, including calculators, registers, and downloadable forms. Content is sourced from relevant authorities and is intended to support general understanding and easy access to key information.
Tax and GST Calculator
A standard calculator with GST and built in Australian tax tools for estimating individual returns across multiple years.
PAYG Withholding Estimator
Estimate PAYG tax to withhold from an employee's or director's wage using the ATO 2026–27 formula across all pay frequencies.
Calculation Worksheets
Select the applicable worksheet to organise your records, calculate income and expenses, and identify all available deductions.
Lookups and Registers
Quick access to government registers and lookup tools for verifying Australian business and entity information.
Employment and Workers
Resources for awards, pay rates, superannuation, leave entitlements, and other workplace obligations.
Documents and Applications
Official forms and applications for tax registrations, business setup, ATO declarations, and government compliance.
Disclaimer
This page contains links to external websites, tools, calculations, and materials provided by third parties. These links are provided for general information only. External content is not controlled, endorsed, or maintained by this site, and no responsibility is accepted for its accuracy, completeness, or currency.
The Tax and GST Calculator provides general estimates only, based on standard rates and assumptions that may not reflect individual circumstances. Results should not be relied on as a substitute for professional advice.
The Calculation Worksheets are intended as tools to help organise records, calculate income and expenses, and identify available deductions. Completion of a worksheet does not constitute lodgement of any document with the ATO, ASIC, or any other regulatory body.
Tax laws and regulations change frequently and information on this page may not reflect the most current position. No warranty is provided as to the accuracy, completeness, or suitability of any information for any specific situation. Nothing on this page constitutes tax, financial, or legal advice, and reliance should not be placed on this information when making decisions. For advice specific to individual circumstances, please contact Tax Cottage directly or consult a qualified professional.
To the maximum extent permitted by law, Tax Cottage excludes all liability for any loss or damage arising from use of this page or reliance on its content. Use of this page constitutes acceptance of this disclaimer, the Terms of Use, and the Privacy Policy.