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Salary Sacrifice Super Calculator

Salary Sacrifice Super Calculator helps you estimate annual tax saving and income tax saved for Australia using Annual Gross Salary (your currency), Annual Salary Sacrifice Amount (your currency), and Marginal Tax Rate. Use it to compare scenarios before making a final decision.

Australia estimateLast reviewed 15 August 2026Reviewed after a methodology change

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When to use this calculator

  • Before choosing between saving, investing or changing a contribution.
  • When you want to compare cautious, base and optimistic return assumptions.
  • When you need a projection before making a longer-term decision.
  • When you want to see whether starting earlier or contributing more changes the outcome more.

A realistic Australia planning example

Use these sample inputs as a quick scenario test, then change one variable at a time to compare outcomes.

A realistic Australia planning example
InputValue
Annual Gross Salary (A$)A$80,000
Annual Salary Sacrifice Amount (A$)A$80,000
Marginal Tax Rate15% ($18,201–$45,000)
Current Super Balance (A$)A$1,400

After entering these figures, review annual tax saving, income tax saved and contributions tax together rather than in isolation. Then rerun the tool with one input adjusted.

How to read your results

Annual Tax Saving

Review this figure alongside gross income and the local tax rules that apply to you. It is a planning estimate, not a filing result.

Income Tax Saved

Review this figure alongside gross income and the local tax rules that apply to you. It is a planning estimate, not a filing result.

Contributions Tax

Review this figure alongside gross income and the local tax rules that apply to you. It is a planning estimate, not a filing result.

Take-Home Reduction

The figure produced by this output for the inputs you entered. Change one variable at a time if you want to see what drives it.

Extra Super at Retirement

The figure produced by this output for the inputs you entered. Change one variable at a time if you want to see what drives it.

Common mistakes

  • !Using an assumption that is not supported by a current local quote, bill, statement or official source.
  • !Treating a generic estimate as a lender, provider, payroll or tax authority decision.
  • !Mixing monthly and annual inputs without converting them consistently.
  • !Testing only one scenario instead of checking how a cautious assumption changes the result.

What to do next

  • Run a second scenario with a cautious assumption so you can see the downside clearly.
  • Compare the result with the related calculators below before making a decision.
  • Check current local rules, eligibility and provider terms before applying or committing money.
  • Keep a record of the assumptions so you can update the estimate when a quote, bill or pay figure changes.

Frequently asked

Salary sacrifice into super means asking your employer to redirect a portion of your pre-tax salary directly into your superannuation fund as concessional (before-tax) contributions. Instead of paying your marginal income tax rate on that amount, the money is taxed at just 15% as a super contribution. This gap between your marginal rate and the 15% contributions tax is your effective tax saving, making it one of the most powerful legal tax minimisation strategies available to Australian workers.

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