GBWise
UK Investment Calculator 2026

Investment Growth Calculator

See how your investments grow with compound interest, ISA tax benefits, and UK-specific rules

Your Investment Details

£
£0 £50,000 £100,000
£
£0 £1,000 £2,000
%
0% 7.5% 15%
years
1 year 20 years 40 years

Your Investment Results

Total Invested
£0
Your contributions
Total Interest Earned
£0
Compound growth
Final Value
£0
Total investment value
Tax Saved (ISA)
£0
If not in ISA
Year Total Contributions Investment Value
Your investment is in an ISA wrapper - all growth is tax-free! Learn more about ISAs →

Trusted by UK Investors

FCA Compliant
Updated for 2026
UK Tax Rules
ISA Allowance Included
Compound Interest
This calculator provides estimates for informational purposes only. Actual returns may vary based on market conditions, fees, and other factors. Always consult a financial advisor before making investment decisions.