TaxCheck - Aus Tax Calculator

DISCLAIMER: TaxCheck is a privately developed application and is not affiliated with or endorsed by the Australian Taxation Office (ATO) or any government agency. Calculations are indicative only and should not be considered financial advice.

Estimate Your Tax. Plan Your Finances.

TaxCheck helps Australians estimate their net income, tax withheld, and expected tax return using the official published Australian Taxation Office (ATO) information. Save any calculation, compare scenarios side by side, and plan ahead with built-in calculators for mortgages, loans, savings, and investments.

SUPPORTED FINANCIAL YEARS

FY 2027–28 (estimate)

FY 2026–27 (estimate)

FY 2025–26

FY 2024–25

FY 2023–24

FY 2022–23

FY 2021–22

KEY TAX FEATURES

- Net pay calculations (Weekly, Fortnightly, Monthly, Annually)

- PAYG income tax estimates matched to ATO scales

- Salary sacrifice (income & superannuation)

- Medicare Levy and Medicare Levy Surcharge

- Medicare exemptions (half / full)

- Superannuation contributions and rate changes per year

- New Working Australian Tax Offset (WATO) for FY2027–28

- New Standard Deduction ($1000) option for FY2026–27 onwards

- Tax offsets including SAPTO and Cost of Living Tax Offset

- Forward-looking estimates through FY2027–28

- Optional inputs for more advanced tax estimates:

- Capital gains

- Business income/loss

- Tax credits

- Allowances and deductions

- Estimated refund calculation with actual withheld comparison (Pro)

SAVE & COMPARE

- Save any calculation type — tax, mortgage, loans, savings, investments

- Revisit and edit saved scenarios anytime

- Compare any two saved scenarios side by side (Pro)

- See exactly how a pay rise, deduction, or loan change affects the numbers

OTHER INCLUDED CALCULATORS

- Mortgage calculator with interest-only periods and rate-rise scenarios

- Car loan calculator

- Personal loan calculator

- Savings goal calculator

- Investment growth calculator

PRO FEATURES

Unlock additional features with a one-time TaxCheck Pro upgrade:

- Estimate tax refund with actual tax withheld

- Save unlimited scenarios of any calculator type

- Compare scenarios side by side

- Annual bonuses

- Additional deductions

- Business income/loss

- Other income types

- Remove ads

DATA SOURCES

TaxCheck uses the official tax tables, PAYG schedules, Medicare levy rules, offsets, and superannuation rates published by the Australian Taxation Office.

Source: Australian Taxation Office — https://www.ato.gov.au