Where do you pay tax?
Everything customers paid you this tax year, before expenses.
Costs of running the side hustle, such as supplies, fees and software.
Your salary or wages for the year. Put 0 if the side hustle is your only income.
Your state’s rate, if you want to include it. Some states have no income tax.
Add your province or territory’s rate to include it. See the CRA link below.
How much to set aside
Estimate, not tax advice. This uses the official rates linked below and the simple assumptions shown. Your real bill depends on your full situation. Check with the tax authority or a tax professional.
United States: what is included
- Self-employment tax: 15.3% (12.4% Social Security up to the $184,500 wage base, shared with any wages, plus 2.9% Medicare) on 92.35% of your net profit. It applies when net earnings are $400 or more. A 0.9% Additional Medicare Tax applies above $200,000 ($250,000 married filing jointly).
- Federal income tax at 2026 brackets on top of your wages, after the standard deduction and the deduction for half of your self-employment tax.
- Quarterly estimated tax due 15 April 2026, 15 June 2026, 15 September 2026, 15 January 2027.
Official rates used (checked 19 October 2026): IRS: 2026 tax inflation adjustments (brackets, standard deduction) · IRS Rev. Proc. 2025-32 (2026 tax tables) · SSA: 2026 Social Security and Medicare tax rates and wage base · IRS: self-employment tax · IRS: Form 1040-ES (2026 estimated tax)
United Kingdom: what is included
- £1,000 trading allowance: if your total trading income is £1,000 or less, it is tax-free. Above that you can deduct either the £1,000 allowance or your actual expenses, and the calculator picks whichever gives the lower profit.
- Income Tax at 2026 to 2027 rates on top of your job income (Personal Allowance £12,570, reduced above £100,000). Scottish rates are optional.
- Class 4 National Insurance: 6% on profits between £12,570 and £50,270, and 2% above. Class 2 is no longer compulsory.
Official rates used (checked 19 October 2026): GOV.UK: Income Tax rates and allowances · GOV.UK: self-employed National Insurance rates · GOV.UK: tax-free trading allowance · GOV.UK: payments on account
Canada: what is included
- CPP contributions: self-employed people pay both shares, 11.9% on net self-employment earnings between $3,500 and $74,600, plus 8% CPP2 up to $85,000 (2026), taking into account any CPP already paid on your job.
- Federal income tax at 2026 rates (lowest rate 14%), with the basic personal amount and CPP deductions and credits.
- Provincial or territorial tax is extra. Add an estimated rate to include it.
- Instalments may be due 15 March, 15 June, 15 September, 15 December.
Official rates used (checked 19 October 2026): CRA: 2026 federal tax rates and brackets · CRA: 2026 basic personal amount and CPP figures (T4032) · Canada.ca: CPP contributions (self-employed 11.9% and 8%) · CRA: tax instalments for individuals · CRA: provincial and territorial tax rates
Australia: what is included
- Income tax at 2026–27 resident rates (tax-free threshold $18,200; 15% rate from $18,201 to $45,000) on top of your wages.
- Medicare levy of 2%.
- PAYG instalments due 28 October, 28 February, 28 April, 28 July once the ATO enters you into the system.
- GST is separate: you must register once your GST turnover is $75,000 or more.
Official rates used (checked 19 October 2026): ATO: tax rates for Australian residents · ATO: Medicare levy · ATO: when PAYG instalments are due · ATO: starting PAYG instalments
Make it easy: save as you earn
- Open a separate savings account and move the percentage shown above from every payment.
- Keep receipts and a simple record of income and expenses. Our accounting software guide and free invoice generator help.
- Selling on Etsy? The Etsy Seller Profit & Expense Tracker (from our Etsy shop) logs orders, fees and expenses and gives you a tax summary.
- Still choosing a side hustle? Try the Side Hustle Finder quiz, and read its side hustle tax basics.
Frequently asked questions
How much should I set aside for taxes on a side hustle?
It depends on your country, your other income and your profit. Enter your numbers above to see an amount and a percentage to save from each payment. In the US, many side hustlers need to cover 15.3% self-employment tax plus income tax.
Do side hustles get taxed?
Usually yes. In the US you must report all income, and self-employment tax applies from $400 of net earnings. In the UK, trading income over £1,000 a year must be reported. Canada and Australia also tax side income.
When are quarterly estimated taxes due in 2026?
For the 2026 US tax year: 15 April, 15 June and 15 September 2026, and 15 January 2027.
Does this include state or provincial tax?
Not unless you add a rate. US state tax and Canadian provincial tax vary, so enter an estimated percentage to include it.
Is this tax advice?
No. It is an estimate using official rates and simple assumptions. For advice on your situation, contact the tax authority or a qualified tax professional.