2024/2025 Tax Refund
Income Tax
Estimate your income tax refund for 2024/2025.
Example: Calculate the tax refund due if earning €40,000 salary
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Self Employed Income Calculator
Calculate tax on self-employed income for Irish residents, including expenses and capital allowances.
All CalculatorsLast updated: 25th Nov 2025
Calculate your tax on self-employed income as a sole trader in Ireland. Your self-employed profit (or loss) will be added to your employment income to determine your overall tax liability.
Marital Status
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Employment Income & Details
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Active credits: Personal, PAYE
Last updated: 25th Nov 2025
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This is an estimate of the position based on the information inputted. All figures rounded to the nearest Euro. Other factors can also influence an individual’s tax position, it is recommended that personal tax advice be sought. The impact of some budget changes are not relevant to the tax position. No responsibility is taken by Irish Tax Hub for any loss, however occasioned, to any person by reliance on this calculator.
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No. It’s a self-employed income tax estimator, not a full Form 11. It’s ideal for planning how much tax you’ll pay on self-employed business income, but complex cases need a full computation or advice.
It lets you quickly see how different profit levels, expenses and pension contributions change the tax due on your self-employed business income in Ireland, so you can budget and plan ahead with fewer surprises.
It allows for key Irish tax credits, including the Personal Tax Credit and the Earned Income Tax Credit that specifically reduces tax on self-employed trading and professional income.
Yes. The calculator integrates with the Salary After Tax Calculator so you can see the tax on your PAYE income alongside your sole trader profits. This helps you understand the overall tax impact of running a side business.
Yes. You can include losses brought forward, accelerated capital allowances and the €24,000 cap for certain capital allowances. This helps sole traders model a more realistic tax position where past losses or capital spend reduce their profit.
Yes. The Business Ownership Split feature lets couples see how different ownership splits of a sole-trader style business (or jointly run business) affect their combined tax bill. This can highlight potential tax savings from sharing profits more efficiently.
No registration or payment is required to use the calculator on the Irish Tax Hub website. You can also access it for free via the Irish Tax Hub mobile app on iOS and Android.
No. The calculator is a planning tool to help sole traders estimate and understand their tax. It doesn’t replace personalised advice from a qualified tax advisor or accountant who can review your full situation and your Revenue record.
By showing your projected 2025 tax bill and Preliminary Tax, the calculator helps you set aside money monthly or quarterly. Sole traders can use it to forecast how much tax to save as they go, instead of scrambling at the deadline.
Yes. If you have a PAYE job and a small self-employed side income, you can include both. The calculator shows the extra tax generated by your side business so part-time sole traders know if their side income is really worth it after tax.