Peasant Tax Calculator
Hook
Ever felt like you spend most of the week working for the government and the last day for yourself? This calculator shows you exactly how many days — and it hurts.
Key Numbers
- Median full-time wage ~$82k → effective rate ~24% → ~1.2 days a week to the ATO before any other tax
- Backbench federal MP on ~$233,660 → effective rate ~32% before expense allowances
- PM on ~$607,516 → effective rate ~37% (but with parliamentary pension worth millions over a lifetime)
- HECS, Medicare levy, MLS, LITO all modelled — GST, fuel excise, rego, council rates deliberately NOT modelled (your real rate is higher)
Context
The calculator uses published 2025–26 ATO rates for resident individuals. Enter what lands in your bank (net), or what's on the payslip (gross), in any period. It runs a binary-search solver to reverse the piecewise tax function so either input gives you the same honest answer.
The "days a week" visual converts your effective rate into a 5-day working week. At a 24% effective rate, you're effectively working Monday until ~lunchtime Tuesday for the Commonwealth; the rest is yours — before every other layer of indirect tax kicks in.
Takeaway
You are not imagining it. The Australian tax system is dense, layered, and designed so that the true burden on a wage earner is invisible. This calculator makes the income-tax layer visible. The other layers — GST, fuel, alcohol, stamp duty — are documented in the adjacent Australian Tax Guide and are the reason your real effective rate is higher still.
Share Stat
Plug in your wage. How many days a week are you actually working for yourself?
Last reviewed: 11 Apr 2026