Tax
Estimate your income tax, find the reliefs you can claim and work out tax on side income.
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Understand Your Tax Before You Act
Pick the question that matters to you now. Some steps offer to reuse a number from an earlier step, in this browser tab only.

How Much Income Tax Will I Pay?
Estimate your income tax bill before the notice arrives.
Find Out →Which Tax Reliefs Can I Claim?
Find reliefs you may be able to claim.
Find Out →How Much Tax Can SRS Save Me?
See how much an SRS contribution could cut your tax.
Find Out →Want The Full Path, In Order?
How Much Income Tax Will I Pay?
Income Tax Estimator With Relief Stacking
Enter your 2025 income and the tax reliefs you can claim. See your estimated income tax for YA 2026 (Year of Assessment 2026, which taxes 2025 income), before rebates.
Work Out My Number →How Much Tax Do I Owe On My Side Hustle?
Side-Hustle Tax Tracker
Enter your day-job income and your side-hustle revenue and expenses. See the extra income tax and MediSave on your side profit, and how much to set aside each month.
Work Out My Number →How Much Should I Set Aside From Each Invoice?
Freelancer Tax Pot
Enter each invoice as it comes in. See how much to keep aside for income tax and MediSave, and what your tax pot should hold now.
Work Out My Number →Which Tax Reliefs Can I Claim?
Tax Relief Finder
Enter your income and answer a few questions about common YA 2026 tax reliefs. See which ones may apply and how much tax they could save.
Work Out My Number →Tax Guides
Which Tax Reliefs Should I Review In Singapore For YA 2026?
Review common YA 2026 personal tax reliefs such as Earned Income Relief and SRS without double counting, and see why relief differs from tax saved.
How Much Income Tax Will I Pay In Singapore For YA 2026?
Estimate your YA 2026 resident income tax on 2025 income, before rebates, by working through your income, eligible reliefs and chargeable income.
How Much Should I Set Aside For Tax And MediSave On Side-Hustle Income?
Estimate the extra income tax and self-employed MediSave on your side-business profit, and see how much cash to set aside each month.
How Much Should A Freelancer Set Aside From Each Invoice?
Work out how much of each invoice to keep for income tax and self-employed MediSave, and what your tax pot should hold by now.
Where Should I Start With Income Tax In Singapore?
Where to start with Singapore income tax: pick the Year of Assessment and the income it covers, then check reliefs before using a tax calculator.
Free Tax Checklist
Get Your Tax Planning Questions In Order
A simple checklist for reliefs, top-ups and the official rules to check.
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