Self Assessment & VAT · 2025/26
Free 2026/27 estimates for take-home pay, Income Tax and National Insurance. When the figures are right, QuickTaxFiler is HMRC-recognised commercial software so you can prepare SA100 and file Self Assessment online from £14.50.
How it works
Run the calculator for take-home pay or a Self Assessment bill. Nothing is sent to HMRC.
Open a free account and start a guided SA100 return.
Every box traces back to an entry you made — check the SA110 calculation before you submit.
Submit the return to HMRC with your Government Gateway account.
Free tools
Take-home pay, Self Assessment, student loans and deadlines — the queries people type after “UK tax calculator”.
Income Tax
UK salary calculator for take-home pay after Income Tax and National Insurance. Uses a standard 1257L tax code unless you choose 0T. Scotland toggle available on the Self Assessment calculator.
Self Assessment
Estimate your full Self Assessment tax bill including employment, self-employment, property, dividends, NIC and student loans — then file when you are ready.
Student loans
Estimate annual student loan and postgraduate loan repayments from your income.
Deadlines
See Self Assessment filing and payment deadlines, and estimate late-filing penalties.
Property
Estimate tax on UK rental profit including the 20% finance cost credit.
Income Tax
Estimate tax due on dividend income after the dividend allowance.
About the firm
Combined experience of more than fifty years sits behind the product. The aim is straightforward: an accurate personal tax return you can complete without a series of expensive meetings — with support if you need it.
Our storyA complete SA100 workflow, including supplementary pages HMRC recognises for individuals.
Bands, NIC, student loans, HICBC and reliefs applied from the figures you enter.
Open an account, complete a return, and submit it to HMRC.
Why people use QuickTaxFiler
Secure personal tax preparation with full support. Our approach is the client’s interest first: complete figures, available reliefs, and a calculation you can review.
You do not need to be an accountant. The wizard follows HMRC form structure with explanations beside each section.
Complete the return when it suits you. Drafts are saved so you can pause and return.
File from £14.50. Avoid a large annual compliance retainer if your affairs are straightforward.
Built to calculate tax using current rates and reliefs, so you can check the SA110 before you submit.
Prepare in your own time and submit before the deadline to reduce the risk of late-filing penalties.
See the tax due as you work. Plan payments to HMRC with the figure in front of you.
VAT & Making Tax Digital
Keep transactions in QuickTaxFiler and the return builds itself. Authorise HMRC, pull obligations, review the boxes, submit.
Sandbox figures shown for illustration.
Transparent fees
No annual accountant package. Choose Freemium to practise, Standard to file, or Assisted if you want a tax adviser review.
£0.00Per Tax Return
£14.50Per Tax Return
£60.00Per Tax Return
Common questions
Both. Free calculators estimate Income Tax, National Insurance, Self Assessment, student loans and more for 2026/27. When you are ready, you can prepare and submit a personal Self Assessment return with HMRC-recognised commercial software.
No. Calculators are estimates only and do not send data to HMRC. Filing happens in the Self Assessment workflow after you create an account. Submit the return to HMRC with your Government Gateway details.
PAYE and take-home tools use 2026/27 rates (6 April 2026 to 5 April 2027). If you are filing now, the return you submit is usually for 2025/26, due online by 31 January 2027.
Complete your return on this site and submit it to HMRC. Calculators remain free.
Support
Product support is by email and in-app chat. Sales and billing enquiries can use the office number listed in the footer.