Self Assessment · 2026/27
Self Assessment tax calculator
Estimate your full Self Assessment tax bill including employment, self-employment, property, dividends, NIC and student loans — then file when you are ready.
Inputs
Estimate
Enter your details and click Calculate to see an estimate. No data is sent to HMRC.
File these figures
When you are ready to submit, start a guided Self Assessment return in QuickTaxFiler.
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Questions about your return?
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