Side hustle take-home pay and tax calculator

Estimate your annual income and tax bill using GoSimpleTax’s speedy online calculator.
For the tax year:

Income & Expenses

What was your sole-trader business income for the 2025/26 tax year?

Tax you'll need to pay for the 2026/27 tax year:

Fill in your income and expenses, then click Calculate to see your estimated tax and take-home pay here.

PAYE Taxes

National Insurance: 0.00
Tax: 0.00

Self Employed Taxes

0.00
Tax: 0.00
Total NI: 0.00
Total Tax: 0.00
Student Loans
0.00
You're left with: 0.00

* Assumes full personal allowance used on employment or allowances and is a tax estimate only.

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Claim expenses with GoSimpleTax

Recording your expenses is quick and easy with GoSimpleTax, enabling you to track and claim all of your tax expenses, so you minimise your tax bills.

  • Scan or photograph your receipts, upload and safely store them online. Your accounting records will be updated quickly and accurately.
  • Categorising costs and specifying the business use proportion is easy with GoSimpleTax.
  • Tracking your expenses is simple, so you can better control your costs and claim for all of your tax expenses.

Because your tax expenses are accurate and up to date, completing your Self Assessment tax return is far quicker and easier with GoSimpleTax, saving you time while ensuring that you don’t pay too much tax. Start your FREE GoSimpleTax trial today!

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Business expenses FAQs

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