Superannuation Calculator

What is a superannuation calculator?

A superannuation calculator is a tool that estimates how your superannuation balance might grow between now and retirement, based on figures you provide — things like your age, salary, current balance, and how much is going in each year. This Australian superannuation calculator adds employer contributions, any voluntary or salary sacrifice contributions, and assumed investment returns together over time, so you can see a projected outcome rather than guessing.

It is built for the situations Australians actually search for: a general superannuation calculator for salary and retirement planning, a salary sacrifice superannuation calculator for people weighing up extra contributions, a self-employed superannuation calculator for people without compulsory employer contributions, and more specialised tools like a divorce superannuation calculator or a defined benefit superannuation calculator. Every version shares the same underlying maths, just with different starting questions.

How the calculator works

Underneath the interface, the calculator runs a year-by-year projection. For each year between your current age and your chosen retirement age, it adds your estimated employer superannuation guarantee contribution and any voluntary contributions to your opening balance, applies your assumed investment return, deducts an estimated annual fee, and carries the result forward as next year's opening balance. Your salary is also assumed to grow each year at a rate you set, which flows through to future employer contributions.

Because contributions arrive throughout the year rather than in one lump sum, the calculator applies roughly half a year's growth to that year's contributions and a full year's growth to the opening balance — a standard simplification used by most retirement calculators, including the general approach described by Moneysmart's superannuation calculator, to avoid either overstating or understating investment earnings.

What information you need to enter

To get a useful projected superannuation calculator result, you will need: your current age and desired retirement age, your current super balance, your annual salary before tax, your employer's superannuation contribution rate (the default reflects the current superannuation guarantee rate, but check your payslip if you're unsure), an assumed salary growth rate, an expected investment return for your chosen investment option, and any voluntary or salary sacrifice contributions you plan to make. An inflation assumption is also available under advanced settings, so you can see your projected balance expressed in today's dollars as well as future dollars.

None of these figures need to be exact. Small changes in your assumed investment return or salary growth compound significantly over several decades, so it's worth trying a few different scenarios — a cautious one and an optimistic one — rather than treating a single result as the answer.

How employer contributions affect your super

For most employees, the majority of retirement super comes from compulsory employer contributions under the superannuation guarantee. Your employer is generally required to pay a set percentage of your ordinary time earnings into your super fund, and this rate has been progressively increasing under legislation. This superannuation calculator for employers and employees alike lets you adjust that rate, which is useful if you're checking a specific fund arrangement, an award condition that pays above the minimum, or simply want to see the effect of the scheduled increases over time.

Employer contributions compound for decades in many cases, so even a seemingly small percentage difference, applied consistently across a working life, can noticeably change your projected balance at retirement.

How salary sacrifice affects retirement savings

Salary sacrifice involves asking your employer to redirect part of your pre-tax salary into superannuation instead of paying it to you as take-home pay. Because concessional super contributions are generally taxed at 15% inside the fund rather than at your marginal income tax rate, salary sacrifice can be a tax-effective way to add to your super for many middle- and higher-income earners — though the benefit depends heavily on your individual circumstances and the concessional contributions cap, which limits how much can receive this tax treatment each year.

The dedicated salary sacrifice superannuation calculator on this site lets you enter a sacrifice amount and see both the effect on your projected balance and a rough estimate of the annual tax difference, based on the marginal tax rate you select.

How investment returns affect your projected super

Investment returns are typically the single biggest driver of long-term superannuation growth, ahead of contributions, because returns compound on your entire balance every year — not just on new money going in. A higher assumed return produces a substantially larger projected balance over a long time horizon, but higher expected returns generally come with higher volatility and more year-to-year variation than a conservative investment option.

This calculator applies a single, constant assumed return across every year for simplicity and clarity. Real investment markets do not behave this smoothly — some years are negative, others are strong — so treat the assumed return as a long-term average rather than a year-by-year forecast.

How to estimate your super at retirement

To estimate your superannuation at retirement, the calculator combines your current balance, all future employer and voluntary contributions, and compounding investment earnings, minus estimated fees, across every year until your chosen retirement age. The result is shown both as a headline projected balance and as a year-by-year breakdown, so you can see how the balance builds — slowly at first, then increasingly driven by investment earnings on a larger and larger base as you approach retirement.

How long your super may last in retirement

A projected balance at retirement only tells half the story — the other question is how long that balance might support you once you stop working and start drawing it down. The "how long will my superannuation last" calculator on this site models a simple drawdown: your balance keeps earning an assumed investment return each year in retirement, while you withdraw an annual income that increases with inflation, until the balance runs out (or comfortably outlasts a typical retirement).

This is also where the Age Pension becomes relevant for many Australians. The superannuation and Age Pension calculator gives a simplified, indicative estimate of how the Age Pension assets test might affect a part-pension entitlement alongside your own super, so you can see roughly how the two might work together — noting this is a considerably simplified version of the real means test.

Important assumptions and limitations

Every figure this calculator produces depends entirely on the assumptions you enter. It uses a constant investment return, a constant salary growth rate, and a constant contribution pattern, none of which reflect how real income, markets, or personal circumstances actually behave over 20 or 40 years. It does not model investment losses in specific years, changes in employment, career breaks, insurance premiums deducted from your super, government co-contributions, the low-income superannuation tax offset, or changes to superannuation law and rates that will inevitably occur over a long projection period.

The Age Pension figures used in the combined calculator are indicative estimates only, based on published asset-test parameters at a point in time, and ignore the income test, deeming rules, and non-homeowner thresholds entirely. For an accurate, personalised Age Pension assessment, use the Australian Government's own tools or contact Services Australia directly.

Why these results are estimates, not guarantees

This superannuation calculator, and every supporting calculator on this site, produces estimates for general educational and planning purposes only. It is not personal financial advice, it does not consider your individual financial situation in full, and it is not affiliated with the Australian Taxation Office, Services Australia, ASIC's Moneysmart service, or any superannuation fund. Actual outcomes will differ from any projection, sometimes substantially, because investment markets, legislation, personal circumstances, and contribution patterns all change over time in ways a simple calculator cannot predict.

If you are making significant decisions about retirement savings, salary sacrifice, self-employed contributions, or a superannuation split as part of a divorce settlement, consider speaking with a licensed financial adviser, your superannuation fund, or Services Australia, who can take your full circumstances into account.