Evidence over opinion Issue 2026
Rational GB Evidence-based money

Guide collection

Books, Tools and Resources

Books, Tools and Resources reviews, comparisons and buying guides from Rational GB.

1 guides / Updated 2026 / Independent & evidence-checked
01
Books, Tools and Resources No. 01

S&P 500 Calculator UK: Project Your Returns in Pounds

Free S&P 500 calculator for UK investors. Project a lump sum plus monthly contributions in pounds over your chosen horizon, held in an ISA or SIPP.

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