Four Australian Excel workbooks for running a sole trader business or side hustle. Every tool in one download.

Sole Trader Rate Calculator (Excel + web version): what to charge per hour and per day so you cover tax, super and business costs.

GST & BAS Quarterly Workbook: log sales and purchases and get the BAS labels G1, 1A and 1B by quarter.

Side-Hustle Tax Tracker: salary plus an ABN? See how much extra tax to set aside as you go.

13-Week Cash Flow Forecast: a weekly cash plan for the next quarter, with recurring and one-off items.

Every workbook includes example figures and comes with a Google Sheets edition as well as the Excel file.

Built and checked by a CPA. Every formula tested against a separate calculation.

30-DAY MONEY-BACK GUARANTEE: if it doesn't work for your situation, message us within 30 days. We'll fix it, or refund you in full if you'd rather. This is in addition to your rights under the Australian Consumer Law, which are not excluded.

Designed by Plain Numbers Co with the help of AI tools.

General information and estimating tools only, not tax, financial or legal advice. Check your situation with a registered tax agent before acting. Licence: for the purchaser's own use.