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Superannuation Splitting Calculator

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We're working on a comprehensive educational guide for the Superannuation Splitting Calculator in your language. The content below is shown in English.

What is Superannuation Splitting Calculator?

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Ever thought about sharing your superannuation with your partner? It sounds a bit unusual, but in Australia, there's a neat little strategy called 'superannuation contribution splitting' that lets you do just that! Think of it like a financial high-five for your retirement future. This calculator helps you figure out how much 'before-tax' money you can actually move from your super account to your spouse's, making sure you're both set up for a comfortable retirement together. It's especially handy if one of you earns a lot more, or if one of you took time out of work, like for raising kids, and their super balance fell behind.

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Formula

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f(x)Maximum Splittable Amount = Concessional Contributions for the Year × 85%; Effective Balance Equalisation = (Balance A - Balance B) ÷ 2 compared to annual splittable amount

Variable Legend

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SymbolImeJedinicaOpis
concessionalContributionsTotal concessional contributions—This is all the 'before-tax' money that went into your super for the financial year, including what your employer paid, any salary sacrifice you did, and personal contributions you claimed a tax deduction for.
maxSplitAmountMaximum transferable =—This is the biggest chunk of your concessional contributions (up to 85%) that you're allowed to move over to your spouse's super account. Our calculator helps you find this number!
receivingSpouseAgeMust be under—Your spouse needs to be under their 'preservation age' (which varies from 55-60) or, if they've reached it, they must be under 65 and still working (not retired yet).
transferBalanceCapCurrent individual cap—This is a really important limit! It's the maximum amount ($1.9 million for 2024-25) that each person can move into a tax-free retirement pension account. Splitting can help both partners get closer to this cap.

How to Superannuation Splitting Calculator

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  1. 1First things first, check if you and your spouse are eligible! You need to have made 'concessional contributions' (that's the before-tax money going into super, like from your employer or if you claimed a tax deduction for your own contributions) in the previous financial year. Your spouse needs to be under their 'preservation age' (which is between 55 and 60, depending on when they were born) or under 65 and not fully retired yet.
  2. 2Next, figure out the maximum amount you can actually share. The rules say you can split up to 85% of those before-tax contributions you made in the financial year that just ended. This calculator is super helpful for that part!
  3. 3Give your super fund a call or check their website. Not all funds offer super splitting, but most of the big ones do. It's like checking the menu before you order – make sure they have what you're looking for!
  4. 4Once the financial year is over (so, after July 1st), you can fill out your super fund's special application form. You usually have until June 30th of the following year to get it done.
  5. 5Your super fund will then move the amount you've chosen from your account to your spouse's. It can even go to a different super fund if your spouse is with another provider.
  6. 6Here's the cool part: This transferred amount doesn't count as a 'new' contribution for your spouse. So, it won't impact their personal contribution caps, which is a big win!
  7. 7To really make a difference, think about making this a regular thing. Splitting a bit each year, especially in the 5-10 years before you both plan to retire, can really boost your combined super balances and help you both enjoy a more financially secure future!

Worked Examples

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Example 1Boosting Super After Parental Leave
Given:Sarah took 5 years off for kids, her super is low. Her partner, Mark, makes $15,000 in employer super contributions this year.
Rezultat:$12,750 maximum splittable to Sarah's super

This helps Sarah catch up after her career break.

Mark's employer contributed $15,000 to his super. To calculate the maximum he can split to Sarah, we multiply his contributions by 85%: $15,000 × 85% = $12,750. This $12,750 can be moved to Sarah's super account, giving her balance a much-needed boost after her time out of the workforce.

Example 2Sharing Extra Contributions from a Bonus
Given:Liam received a bonus and salary sacrificed an extra $10,000 into super. His total concessional contributions for the year are $30,000.
Rezultat:$25,500 maximum splittable to his spouse, Chloe

Even extra salary sacrifice contributions can be shared.

Liam's total before-tax super contributions (including his employer's contributions and his salary sacrifice from the bonus) are $30,000. He can split 85% of this with Chloe. So, $30,000 × 85% = $25,500. This means Chloe's super account can receive a significant chunk, growing their combined retirement savings faster.

Example 3Long-Term Retirement Planning
Given:Emma has $700,000 in super, and her partner David has $300,000. They want to split $25,000 per year.
Rezultat:Gap reduced by $25,000/year; balances could equalise in about 16 years (without considering investment growth)

Consistent splitting over many years can lead to substantial balance equalisation.

The current difference between Emma and David's super balances is $700,000 - $300,000 = $400,000. If they split $25,000 each year, it would take $400,000 / $25,000 = 16 years to theoretically close this gap, not even counting the power of investment returns on both accounts! Starting early gives compound interest more time to work its magic.

Example 4Maximising Tax-Free Pension Phase
Given:Sarah (age 50) has $1.2M in super, her partner Tom (age 58) has $800,000. Sarah splits $20,000 annually to Tom.
Rezultat:Helps Tom get closer to the $1.9M Transfer Balance Cap, allowing more of their combined super to be tax-free in retirement.

The Transfer Balance Cap (currently $1.9M) limits how much super can move into the tax-free pension phase.

By splitting $20,000 from Sarah's super to Tom's, they are helping to balance their overall retirement wealth. This strategy aims to ensure that both partners can eventually use their full individual Transfer Balance Cap (currently $1.9 million). This means more of their total super can potentially be held in the tax-free pension phase when they retire, saving them a bundle on taxes over the years.

Real-World Applications

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A couple where one partner is a freelance graphic designer with inconsistent super contributions, and the other works full-time. They use splitting to ensure the freelancer's super grows steadily.

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Parents who want to rebuild one partner's super balance after they took several years off to care for young children, making sure they don't fall too far behind.

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A financial planner working with a high-income couple, recommending annual super splitting as a key strategy to optimise their combined retirement income and tax benefits over the next decade.

Special Cases

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When Your Spouse is Nearing Retirement

It's key to remember that the spouse *receiving* the split contributions needs to be either under their 'preservation age' (which is between 55 and 60, depending on their birth year) or between their preservation age and 65 *and not yet retired*. If your spouse has already retired and started drawing a super pension, unfortunately, you can't split contributions to them. So, timing is everything as you both approach those golden years!

Sharing Super vs. Divorce Settlements

Just to be super clear: the 'superannuation contribution splitting' we're talking about here is totally different from 'super splitting' that happens during a divorce or separation under family law. Our calculator is for couples planning their retirement together, helping them build their nest egg as a team. Family law super splitting is a legal process to divide assets, and it follows a whole different set of rules.

Self-Managed Super Funds (SMSFs) and Splitting

If you've got an SMSF, you can absolutely do contribution splitting between your and your spouse's accounts within the same fund! It can sometimes feel a bit simpler administratively because it's all 'in house.' However, even within an SMSF, you still need to follow all the official rules, including providing written notice to the trustee (which is often yourselves!) to make the split formal and legal.

What Kinds of Super Can You Share?

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Contribution TypeCan it be Shared?Maximum Shareable %Impact on Receiver's Caps?
Employer Super Guarantee (SG)Yes85%No
Salary SacrificeYes85%No
Personal Deductible ContributionsYes85%No
After-Tax (Non-concessional)NoN/AN/A
Government Co-contributionNoN/AN/A

Frequently Asked Questions

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Q

Why can't I split all of my super contributions, why only 85%?

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That 85% rule is set by the Australian Tax Office (ATO)! It's because your 'before-tax' super contributions (the concessional ones) are taxed at 15% when they first enter your super fund. So, the 85% represents the net amount remaining after that initial tax has been taken out. It's a way to ensure the tax system works correctly while still allowing you to share your retirement savings.

Q

Does splitting super mean my spouse will have to pay tax on that money?

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Nope, good news! When you split super contributions, the money simply moves from one super account to another. It's treated as a 'rollover' and isn't considered a new contribution for tax purposes. This means there's no extra tax charged when the money is transferred, making it a tax-efficient way to balance your super.

Q

What if my super fund doesn't offer contribution splitting?

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While most larger super funds, like industry and retail funds, do offer contribution splitting, some smaller or corporate funds might not. If your current fund doesn't, you have a couple of options. You could consider rolling over your super (or just the portion you want to split) to a fund that does offer it, or your spouse could move their super to your fund if it's an option. Always check with your fund first!

Q

Will this affect how much my spouse can contribute to their own super later?

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Absolutely not! This is one of the best parts of contribution splitting. The amount your spouse receives from the split is treated as a rollover, not a new contribution. This means it won't eat into their own annual concessional or non-concessional contribution caps, leaving them free to make their own contributions without worry.

Q

Is super contribution splitting the same as splitting super if we get divorced?

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That's a really important question, and no, they are completely different! Super contribution splitting is a voluntary strategy for couples to boost their combined retirement savings as a team. Splitting super during a divorce, on the other hand, is a legal process under family law to divide assets after separation. They operate under different rules and for very different reasons.

Q

Why bother splitting if both my spouse and I already have good super balances?

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Even if your balances are similar, splitting can still be a smart move! For example, if one of you is younger, moving super to their account means that money gets more years to grow with compound interest before retirement. It also helps both partners make the most of their individual 'Transfer Balance Cap,' which is the limit on how much super can move into the tax-free pension phase. More tax-free income in retirement is always a win!

Q

I'm changing jobs, can I still split my super from my old employer's contributions?

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Yes, you generally can! If you leave a super fund during the financial year, you can usually apply for contribution splitting before the end of that financial year, rather than waiting until July 1st. It's a special exception to the 'after year-end' rule, so it's always worth checking with your previous super fund about their specific process and deadlines when you move on.

Common Mistakes to Avoid

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  • !Trying to split the wrong kind of money: A common 'oops!' is trying to split 'after-tax' contributions (called non-concessional contributions). Remember, only your 'before-tax' contributions (the concessional ones) are eligible for splitting.
  • !Missing the application deadline: It's easy to forget, but you *must* apply for the split after the financial year has ended, and generally by June 30th of the following year. Mark it in your calendar!
  • !Forgetting to check your spouse's eligibility: Before you get all excited about boosting their super, double-check that your spouse meets the age and employment requirements. If they're over 65 and already retired, for example, the split can't happen.
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Pro Tip

Think of super splitting as a long-term investment in your shared retirement! Even small annual splits, especially if started 10-15 years before retirement, can add up to hundreds of thousands of dollars thanks to the magic of compound interest. It's like planting a tiny seed that grows into a big, strong tree for your future.

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Did you know?

Did you know that the average Australian thinks they'll need about $1 million in super to retire comfortably? Yet, many couples find one partner has significantly less than the other, often due to career breaks. Super splitting was introduced partly to help bridge that gap, making sure both partners can contribute to a robust retirement fund!

📖Difficulty:Intermediate
For informational purposes only. This tool does not constitute financial advice. Consult a qualified financial adviser before making investment or financial decisions.
Accuracy-checked
Reviewed October 2026
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