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Superannuation Growth Calculator Australia — FY 2025-26

Planning for retirement in Australia requires a clear understanding of how your superannuation will grow over time.

Rates sourced from the ATO & state revenue officesUpdated July 2026Free · instant · no login

Quick Answer

Super growth is calculated using compound interest on your opening balance plus all contributions (employer SG, salary sacrifice, personal contributions), with investment earnings added annually. Tax of 15% is applied to contributions and earnings within the fund.

Retirement Projection — Will Your Super Be Enough?

Project your super to retirement, then see your balance in today's dollars and the estimated monthly income it could provide at a 4% drawdown.

Balance at age 67 (nominal)
$1,803,140
In today's dollars
$818,212
Monthly income @ 4% drawdown
$6,010
$2,727 in today's dollars
Nominal balance Today's dollars (real)
$0$451k$902k$1352k$1803k3540455055606567

Estimates only — not financial advice. Concessional contributions are taxed at 15% inside super; fund earnings tax and fees are not modelled. The Super Guarantee rate is 12% from 1 July 2025 (it was 11.5% in 2024-25). Verify figures with your fund and the ATO.

How Much Super Do You Need to Retire?

The ASFA Retirement Standard is the most widely used benchmark in Australia. To fund a comfortable retirement from age 67 (assuming you own your home and draw a part Age Pension), ASFA estimates a couple needs a lump sum of around $690,000 and a single around $595,000. A modest retirement requires far less — roughly $100,000 for either singles or couples — because the Age Pension does most of the heavy lifting at that level.

Your employer's Super Guarantee (SG) contributions are the foundation. The SG rate was 11.5% in 2024-25 and rose to its legislated maximum of 12% from 1 July 2025. Voluntary contributions — salary sacrifice or personal deductible contributions — and a few extra years of compounding can dramatically change your final balance, which is exactly what the projection above lets you test.

Super Balance Benchmarks by Age

Indicative balances for someone on an average full-time wage who is broadly on track for a comfortable retirement. Use these as a sanity check, not a target — your ideal balance depends on your income, lifestyle and retirement age.

AgeIndicative super balance
30$45,000 – $60,000
40$130,000 – $170,000
50$250,000 – $350,000
60$450,000 – $700,000
67 (retirement)$595,000 (single) – $690,000 (couple)

Sources: ASFA Retirement Standard (lump sums needed at age 67) and ATO Super Guarantee schedule. General guidance only — not financial advice.

People Also Ask

Super growth is calculated using compound interest on your opening balance plus all contributions (employer SG, salary sacrifice, personal contributions), with investment earnings added annually. Tax of 15% is applied to contributions and earnings within the fund.
The Super Guarantee rate is 12% for 2025-26, up from 11.5% in 2024-25. This means employers must contribute 12% of your ordinary earnings into your super fund, up to the maximum contribution base of $65,070 per quarter.
Concessional contributions (employer SG and salary sacrifice) are taxed at 15% within the fund. If your income exceeds $250,000, you may pay an additional 15% Division 293 tax. Non-concessional contributions are made from after-tax money and are not taxed in the fund.
Your super balance is your primary retirement funding source alongside the Age Pension. The ASFA retirement standard suggests $595,000 for a comfortable retirement for a single and $690,000 for a couple. Your super growth projection helps you identify any shortfall early.
5 min readLast updated: 2026-07-12

About the Superannuation Growth Calculator

Planning for retirement in Australia requires a clear understanding of how your superannuation will grow over time. The Superannuation Growth Calculator Australia helps you project your super balance based on your current savings, ongoing contributions, and expected investment returns. With the Super Guarantee rate rising to 12% by 2025, understanding compound growth in the super environment is more important than ever. This tool is designed for Australian employees, self-employed individuals, and small business owners who want to forecast their retirement savings and make informed decisions about voluntary contributions and investment strategies.


What is the Superannuation Growth Calculator?

Superannuation is Australia's compulsory retirement savings system, requiring employers to contribute a percentage of an employee's ordinary earnings into a super fund. The Super Guarantee rate increases incrementally and reached 11.5% in 2024-25, with a legislated path to 12% in 2025. Your super balance grows through employer contributions, personal contributions, and investment earnings, all within a concessional tax environment where earnings are taxed at just 15%. This calculator projects your super balance forward using compound growth principles, taking into account your current balance, contribution rate, investment return assumptions, and the number of years until retirement, giving you a realistic picture of your retirement readiness.


How to Use This Calculator

  1. 1Enter your current super balance: Input the total balance of all your super accounts as shown on your latest member statement.
  2. 2Enter your annual salary or income: Provide your gross salary for employer contribution calculations, or your business income if self-employed.
  3. 3Set your contribution rate: The default is the Super Guarantee rate, but you can add voluntary salary sacrifice or personal deductible contributions.
  4. 4Choose an investment return assumption: Select a conservative (5%), moderate (7%), or aggressive (9%) annual return rate based on your fund's investment strategy.
  5. 5Set your retirement age: Enter your planned retirement age to see the projected balance and compare it against the ASFA retirement standard.

Worked Australian Example

Practical Example

Michael is a 35-year-old accountant in Perth, WA, earning $110,000 per year. He has a current super balance of $65,000. Using the Superannuation Growth Calculator Australia, Michael enters his details with the 11.5% Super Guarantee rate and selects a moderate 7% annual return assumption. The calculator projects his balance at age 67 (32 years of growth) to be approximately $685,000. Michael decides to add a $200 per week salary sacrifice arrangement, which increases the projected balance to $845,000. The calculator also shows that the ASFA comfortable retirement standard for a couple is $690,000, so Michael's additional contributions give him confidence he will meet his retirement goals in Western Australia.


How Our Superannuation Growth Calculator Works

This calculator projects your super balance at retirement by compounding three inputs year by year: your **current balance**, ongoing **contributions**, and an assumed **annual return**. Each year it does the following: 1. **Add contributions** — employer Super Guarantee (12% of salary for FY 2025-26) plus any voluntary or salary-sacrifice amounts you enter. 2. **Apply the return** — the balance is grown by your assumed net return (after fees and, inside super, the concessional 15% earnings tax), which is where compounding does the heavy lifting. 3. **Roll forward** — the closing balance becomes next year's opening balance, and the loop repeats until your chosen retirement age. Because returns are earned on a growing base, contributions made early in your career contribute far more to the final figure than the same dollars added near retirement. The projection is a long-run estimate: it assumes a steady average return, whereas real markets rise and fall, and it doesn't model contribution caps, insurance premiums inside super, or changes to your salary. Treat the result as a planning guide, not a guarantee, and revisit it as your salary and contributions change.


When to Use This Calculator

Use this whenever you're making a decision that affects your retirement trajectory. The classic moments are: **considering salary sacrifice or personal deductible contributions**, where you can see how even small extra amounts compound over decades; **choosing or reviewing an investment option** (e.g. balanced vs growth), by testing different return assumptions; and **a career or salary change**, to update the contribution base. It's also valuable for younger workers who want to see the payoff of starting early, and for those approaching retirement checking whether their projected balance supports the income they'll need. Pair it with a contribution-caps check before committing to large voluntary contributions, since exceeding the caps has tax consequences this projection doesn't capture.


Common Superannuation Growth Calculator Questions

Super growth is calculated using compound interest on your opening balance plus all contributions (employer SG, salary sacrifice, personal contributions), with investment earnings added annually. Tax of 15% is applied to contributions and earnings within the fund.
The Super Guarantee rate is 12% for 2025-26, up from 11.5% in 2024-25. This means employers must contribute 12% of your ordinary earnings into your super fund, up to the maximum contribution base of $65,070 per quarter.
Concessional contributions (employer SG and salary sacrifice) are taxed at 15% within the fund. If your income exceeds $250,000, you may pay an additional 15% Division 293 tax. Non-concessional contributions are made from after-tax money and are not taxed in the fund.
Your super balance is your primary retirement funding source alongside the Age Pension. The ASFA retirement standard suggests $595,000 for a comfortable retirement for a single and $690,000 for a couple. Your super growth projection helps you identify any shortfall early.
Concessional contributions are made before tax (employer SG and salary sacrifice) and taxed at 15% in the fund, with a cap of $30,000 per year. Non-concessional contributions are made from after-tax income up to $120,000 per year and are not taxed in the fund.


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Reviewed by

BizMetrixs Editorial Team

Australian tax, property & finance research

This Superannuation Growth Calculator Australia calculator provides estimates only. Results are based on ATO 2025-26 published rates and general calculation methods. Individual circumstances may vary. This tool is for informational and educational purposes only and does not constitute financial, tax, or legal advice. For personalised advice, consult a registered tax agent or financial adviser.