Tax Deductions in Australia: What Can You Claim on Your Tax Return?

Tax Deductions in Australia: What Can You Claim on Your Tax Return?

Tax deductions can reduce your taxable income, which may reduce the amount of income tax you need to pay.

For many Australians, deductions are one of the most important parts of completing a tax return. Work-related expenses, working from home, vehicle costs, professional memberships and self-education are some of the areas that may be relevant depending on your circumstances.

However, not every expense you pay during the year is tax deductible.

Generally, an expense needs to meet certain requirements before you can claim it as a deduction.

At AU Finance Tools, we create free calculators and educational resources to help Australians understand tax and personal finance.

You can use our Tax Return Calculator to estimate your tax refund or tax payable.

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What Is a Tax Deduction?

A tax deduction is an eligible expense that you can subtract from your assessable income when calculating your taxable income.

A simple way to think about it is:

Assessable income − allowable deductions = taxable income

For example, suppose you earn $80,000 and have $2,000 of eligible deductions.

Your taxable income could be:

$80,000 − $2,000 = $78,000

Your income tax is then generally calculated using the lower taxable income amount.

However, a deduction does not mean you receive the full amount of the expense back.

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How Much Is a Tax Deduction Worth?

The value of a deduction depends on your circumstances, including your marginal tax rate.

For example, suppose you have a $1,000 allowable deduction and your marginal tax rate is 30%.

A simplified estimate of the tax saving would be:

$1,000 × 30% = $300

You would not normally receive the entire $1,000 as a tax refund.

The deduction reduces your taxable income, which can reduce your tax liability.

The actual result can be different depending on your circumstances.

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What Can You Claim as a Tax Deduction?

Common deductions may include:

• Work-related expenses
• Working-from-home expenses
• Car and vehicle expenses
• Travel expenses
• Tools and equipment
• Self-education expenses
• Professional memberships
• Union fees
• Protective clothing
• Income-producing investment expenses
• Tax agent fees

The rules are different for each type of expense.

You should only claim an expense if you meet the relevant requirements.

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The Three Basic Rules for Work-Related Deductions

For many work-related expenses, the Australian Taxation Office generally requires the expense to satisfy three basic conditions.

You generally need to:

1. Have paid for the expense yourself and not been reimbursed.
2. Have a direct connection between the expense and your work.
3. Have a record to support your claim.

If an expense is partly private and partly work-related, you can generally only claim the work-related portion.

For example, if you purchase a laptop that you use 70% for work and 30% privately, you generally cannot claim the entire cost as a work expense.

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Work-Related Expenses

Work-related expenses are one of the most common categories of deductions.

Depending on your occupation and circumstances, you may be able to claim expenses such as:

• Work-related equipment
• Tools
• Protective clothing
• Professional subscriptions
• Professional memberships
• Union fees
• Certain work-related travel
• Certain working-from-home expenses
• Other expenses directly related to earning your income

The expense must satisfy the relevant ATO requirements.

Simply using something at work does not automatically make the expense deductible.

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Working From Home Tax Deductions

If you work from home, you may be able to claim certain additional running expenses.

These can include eligible costs associated with:

• Electricity
• Internet
• Phone usage
• Office supplies
• Computer equipment
• Furniture
• Other working-from-home expenses

There are specific rules for calculating working-from-home deductions.

The ATO provides a fixed-rate method that allows eligible taxpayers to claim a set amount per hour worked from home, subject to the relevant requirements.

You may also be able to use an actual-cost method in some circumstances.

Keep appropriate records regardless of which method you use.

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Can You Claim Your Home Office?

Having a home office does not automatically mean every household expense is deductible.

The tax treatment can depend on how the space is used and the method you use to calculate your working-from-home expenses.

For example, an employee who works from a dedicated home office may have eligible working-from-home expenses.

However, private household costs that have no connection with earning income generally cannot simply be claimed as work expenses.

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Car and Vehicle Expenses

You may be able to claim certain vehicle expenses when you use your car for work-related purposes.

Examples can include:

• Travelling between workplaces
• Travelling to certain work-related locations
• Work-related trips required by your employer

However, ordinary travel between your home and your usual workplace is generally considered private travel.

There are different methods for calculating eligible car expenses, and specific record-keeping requirements may apply.

Do not assume that every kilometre you drive for work can be claimed.

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Travel Expenses

Some work-related travel expenses may be deductible.

Depending on the circumstances, this may include expenses such as:

• Accommodation
• Transport
• Meals
• Parking
• Tolls
• Other travel costs

The trip needs to have a genuine connection with earning your income.

Private holidays and personal travel are generally not deductible simply because you happen to work while travelling.

If a trip has both work and private components, you generally need to separate the deductible portion from the private portion.

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Self-Education Expenses

Some education expenses may be deductible when they have a direct connection with your current employment or income-producing activities.

Examples can include:

• Courses
• Training
• Textbooks
• Certain travel expenses
• Equipment used for study
• Other eligible education costs

However, education that qualifies you for a completely new career or occupation may be treated differently.

For example, completing a course that directly improves skills you already use in your current job may have a different tax treatment from studying for an entirely new profession.

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Tools and Equipment

If you purchase tools, equipment or other items that you use to earn your income, you may be able to claim a deduction.

The treatment can depend on the cost and how the item is used.

For example, smaller work-related items may potentially be deductible immediately if they meet the relevant requirements.

More expensive assets may need to be claimed over time through depreciation rather than claimed as a single deduction.

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Professional Memberships and Subscriptions

You may be able to claim certain professional memberships, registrations and subscriptions when they have a direct connection with your income-producing activities.

Examples may include:

• Professional association memberships
• Professional registration fees
• Industry publications
• Work-related subscriptions

A subscription that is primarily private or unrelated to your work would generally not qualify simply because it is useful.

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Union Fees

Union fees may be deductible when they relate to your employment.

If your union fees are shown in your tax information, check the relevant details before completing your return.

Keep supporting records where required.

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Protective Clothing and Work Clothing

Some work-related clothing expenses can be deductible.

Protective clothing may qualify where it is necessary for your work and meets the relevant requirements.

Certain occupation-specific clothing may also qualify.

However, ordinary clothing is generally not deductible just because you only wear it to work.

For example, a standard business shirt or pair of black trousers that could be worn privately would generally not become deductible simply because your employer expects you to wear them.

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Can You Claim Your Work Clothes?

This is a common area of confusion.

You generally cannot claim ordinary clothing that is suitable for everyday wear.

Some clothing may qualify if it is:

• Protective
• Occupation-specific
• Required for your work and meets the relevant tax requirements

You may also be able to claim certain laundry or cleaning expenses associated with eligible work clothing.

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Phone and Internet Expenses

If you use your personal phone or internet connection for work, you may be able to claim the work-related portion.

For example, if 30% of your eligible phone usage relates to work, you may be able to claim the relevant work-related portion.

You need to be able to reasonably demonstrate how you calculated the work-related percentage.

You generally cannot claim private usage simply because you also use the same device for work.

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Tax Agent Fees

The cost of managing your tax affairs can itself potentially be deductible.

For example, if you pay a registered tax agent to prepare your tax return, the eligible fee may generally be claimed as a deduction in the appropriate tax return.

Keep your invoice or other relevant records.

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Investment and Income-Producing Expenses

Some expenses associated with earning investment income may also be deductible.

Depending on the circumstances, these may include certain:

• Investment management fees
• Interest expenses
• Account fees
• Tax-related investment expenses
• Other costs associated with producing assessable income

The rules can be complex, particularly when an expense relates to both private and income-producing activities.

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What Expenses Can You Not Claim?

Not every expense is tax deductible.

Common examples of expenses that are generally not deductible include:

• Ordinary private clothing
• Private meals
• Normal travel between home and work
• Personal entertainment
• Private household expenses
• Expenses that have no connection with earning income
• Expenses reimbursed by your employer

An expense being expensive or necessary for your lifestyle does not automatically make it deductible.

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What If an Expense Is Both Work and Private?

If an expense has both work and private use, you generally need to separate the two.

For example:

Phone bill: $1,200

Work-related use: 40%

Potential work-related portion:

$1,200 × 40% = $480

You would generally need records or a reasonable basis to support the work-related percentage.

You cannot normally claim the private portion.

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Do You Need Receipts for Tax Deductions?

You should keep records that support your deductions.

Depending on the type and amount of expense, the ATO may require evidence such as:

• Receipts
• Invoices
• Bank or credit card statements
• Usage records
• Logbooks
• Written evidence
• Other relevant records

Digital copies are often useful because they can be stored and accessed easily.

Keep your tax records for the required period.

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What Happens If Your Employer Reimburses You?

If your employer reimburses you for an expense, you generally cannot claim the reimbursed amount as a deduction.

For example:

Work expense: $500

Employer reimbursement: $500

You generally cannot claim the $500 as a tax deduction because you did not ultimately bear the cost yourself.

If your employer reimburses only part of an expense, the tax treatment may be different.

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Tax Deductions and Your Tax Refund

Tax deductions can reduce your taxable income, but they do not automatically guarantee a tax refund.

Your final tax position can depend on:

• Income
• Tax withheld
• Tax deductions
• Tax offsets
• Medicare Levy
• Medicare Levy Surcharge
• HECS-HELP or other study loan repayments
• Tax residency
• Other applicable circumstances

For example, if your employer withheld $15,000 in tax during the year and your final tax liability is $13,500, you may receive a refund of approximately $1,500, subject to other adjustments.

If your deductions reduce your tax liability further, your final refund may increase.

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Tax Deduction Example

Suppose you earn:

Salary: $90,000

During the year, you have:

Allowable deductions: $3,000

Your simplified taxable income would be:

$90,000 − $3,000 = $87,000

Your income tax is then calculated using your taxable income rather than your original salary.

The actual tax saving from the deductions depends on your marginal tax rate and other circumstances.

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Common Tax Deduction Mistakes

Claiming Private Expenses

An expense being useful for work does not automatically make it deductible.

You need to identify the genuine work-related portion.

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Claiming Reimbursed Expenses

If your employer reimbursed you, you generally cannot claim the same amount as a deduction.

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Claiming the Full Cost of Mixed-Use Items

If something is partly private and partly work-related, you generally need to apportion the expense.

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Not Keeping Records

Without appropriate records, it may be difficult to support your deduction if the ATO asks for evidence.

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Assuming Every Work Expense Is Deductible

Different expenses have different rules.

Check the requirements for the specific expense rather than assuming that anything purchased for work can be claimed.

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Frequently Asked Questions

What can I claim on my tax return in Australia?

Depending on your circumstances, you may be able to claim eligible work-related expenses, working-from-home expenses, certain vehicle and travel expenses, self-education expenses, professional memberships, tools, tax agent fees and other income-producing expenses.

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How much tax can I save with a $1,000 deduction?

The tax benefit depends on your circumstances and marginal tax rate.

For example, at a 30% marginal tax rate, a $1,000 deduction could provide a simplified tax saving of approximately $300.

A deduction does not normally result in a $1,000 refund.

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Can I claim my laptop on tax?

You may be able to claim a laptop or computer used to earn your income, but the rules depend on its cost, work-related use and other circumstances.

If it is used partly for private purposes, you generally need to claim only the work-related portion.

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Can I claim working from home on my tax return?

You may be able to claim eligible working-from-home expenses if you meet the relevant requirements.

The ATO provides different methods for calculating working-from-home deductions, including a fixed-rate method.

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Can I claim my commute to work?

Ordinary travel between your home and your usual workplace is generally private and is usually not deductible.

Certain work-related travel can be deductible depending on the circumstances.

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Can I claim clothes for work?

Ordinary clothing is generally not deductible.

Certain protective or occupation-specific clothing may qualify if the relevant requirements are met.

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Can I claim my phone bill?

You may be able to claim the work-related portion of your phone expenses if you use your phone to earn your income.

You generally cannot claim private usage.

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Do tax deductions increase my tax refund?

They can reduce your taxable income and therefore may reduce your tax liability.

Whether this increases your refund depends on how much tax you have already paid or had withheld and your overall tax position.

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How long should I keep receipts for tax deductions?

Keep the records required to support your tax claims for the relevant record-keeping period.

The ATO recommends keeping appropriate records so you can substantiate your claims if required.

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Calculate Your Tax Refund

Tax deductions are only one part of your overall tax return.

Your final result can also depend on your income, tax withheld, Medicare Levy, tax offsets, study loan repayments and other circumstances.

Use our Tax Return Calculator to estimate your tax refund or tax payable.

You can also read:

Australian Tax Rates 2025–26: Income Tax Brackets Explained

Medicare Levy 2% in Australia 2025–26: Who Pays It and How It’s Calculated

Medicare Levy vs Medicare Levy Surcharge: What's the Difference?

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Key Takeaways

• Tax deductions can reduce your taxable income.
• You generally need to meet the relevant requirements before claiming an expense.
• Work-related expenses are one of the most common types of deductions.
• You may be able to claim eligible working-from-home expenses.
• Mixed private and work expenses generally need to be apportioned.
• Reimbursed expenses generally cannot be claimed as deductions.
• Keep receipts and other records to support your claims.
• A $1,000 deduction does not normally mean a $1,000 tax refund.
• The value of a deduction depends on your circumstances and marginal tax rate.
• Your final tax refund depends on your overall tax position, not deductions alone.

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Information Sources

This guide is based primarily on publicly available information from the Australian Taxation Office (ATO) about tax deductions, work-related expenses and record keeping.

Tax rules and deduction requirements can change over time. Always check the latest ATO guidance for the financial year relevant to your tax return.

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Disclaimer

This article provides general information only and should not be considered financial, tax, legal or professional advice.

Whether an expense is deductible depends on your individual circumstances and the applicable Australian tax rules.

Always refer to the Australian Taxation Office (ATO) or a qualified tax professional if you need advice about your specific situation.