Tax Refund Calculator Australia 2026–27
Estimate whether you may receive a tax refund or have an amount owing by comparing estimated tax liability with PAYG tax already withheld. Add common income, deductions and relevant settings to build a more useful planning estimate.
Use the free calculator
Open My Pay Calculator to model the scenario with your selected financial year, residency and relevant settings.
Open My Pay Calculator →What the estimator can include
- Salary and additional income
- Work-related or other entered deductions
- PAYG withholding
- Medicare settings
- HELP/HECS where applicable
- Selected offsets supported by the tool
Refund vs amount owing
A refund generally arises when tax withheld and eligible offsets exceed the estimated tax liability. An amount owing can arise when withholding is insufficient or additional taxable income increases the final liability.
Use it as an estimate, not a lodged return
The tool cannot know every tax circumstance, deduction eligibility, private health setting or ATO adjustment. Use the result to plan and compare scenarios, then rely on your actual tax return or tax professional for the final outcome.
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Frequently asked questions
Can this calculator tell me my exact tax refund?
No. It provides an estimate based on the information entered and the assumptions supported by the tool.
What affects an Australian tax refund?
Taxable income, deductions, PAYG withholding, Medicare, HELP/HECS and applicable offsets can all affect the result.
Can the result show an amount owing?
Yes. If estimated tax liability exceeds withholding and relevant credits, the result can indicate an estimated amount owing.
Should I use this instead of lodging a tax return?
No. It is a planning estimator and does not lodge a return or replace ATO calculations or professional tax advice.
Rates, sources and assumptions
See how the estimates are calculated, which financial years are supported and the limitations that apply.
View methodology & sources →Last reviewed: 17 September 2026
Estimates only. Actual tax, payroll, superannuation and entitlement outcomes depend on individual circumstances. My Pay Calculator is not financial, taxation, payroll or legal advice.