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UK Savings & ISA Calculator

See how your savings grow with compound interest. Track your £20,000 ISA allowance and compare easy-access vs fixed-rate accounts.

Showing example figures. Edit any field with your own.

Your savings plan

ISA: tax-free interest/growth. Annual allowance £20,000 (£4,000 of which can be Lifetime ISA).

£
£

Annual: · ISA allowance: £20,000 ·

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%

Projected balance

Final balance
You contributed
Interest earned

After % inflation, that's worth in today's money.

Government LISA bonus (25%): up to over years.

Growth over time

Year-by-year

YearContributionsInterestBalance