Company Tax Calculator Australia 2026–27
Estimate company tax at 25% for an eligible base rate entity or 30% otherwise.
Last reviewed 7 October 2026 · Estimate only, not tax advice
Calculate your estimate
2026–27 financial year · Australian dollars · results update automatically
Results update automatically
Company Tax Calculator
- Base rate entity?
- Yes
- Company tax rate
- 25%
- Company tax
- $25,000.00
- Profit after company tax
- $75,000.00
- BRE status depends on statutory connected-entity and passive-income rules; this tool uses the values entered.
How this calculator works
Estimate company tax at 25% for an eligible base rate entity or 30% otherwise. Inputs are validated, passed to the versioned Australia engine, and recalculated immediately whenever a field changes.
Formula
Company tax = taxable company income × applicable rate; BRE status uses turnover and passive-income tests.
Worked example
The 25% rate is not available merely because a company is small.
Edge cases and assumptions
Tax residency, eligibility dates, exemptions, family circumstances and documentation can change the result. The result card calls out material assumptions and unknown components are not silently changed to zero.
Frequently asked questions
Is this company tax calculator exact?
No. It is a transparent 2026–27 estimate. Your final ATO, payroll or state revenue assessment can include facts not entered here.
Does the calculator store my figures?
No. The deterministic calculation runs in your browser and Taxliva does not require an account.
Which financial year does it use?
It uses 1 July 2026 to 30 June 2027 and rule version AU-2026-27-v1.
Official sources
- Company tax rates and base rate entities — Australian Taxation Office
Rule review
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