ISA & Tax WrappersISA2026/27 Tax Year

Cash ISA Calculator

Inputs

Enter 4 for 4% AER.

Your tax position

Used to work out your Personal Savings Allowance and starting rate for savings.

Results

Enter values and calculate to see results.

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Disclaimer: Tax and take-home pay estimates are based on published 2026/27 UK, Scottish and Welsh statutory rates and allowances. This is not tax advice, but an annual mathematical model. For personal tax planning or complex affairs, consult HMRC or a qualified tax adviser.