S&P 500 Investment calculator

See how regular monthly investing in the S&P 500 could grow your money over time using real compound growth.

Estimate long-term returns using compound growth with monthly investing.

Starting amount (£) Monthly contribution (£) Investment length (years) Expected annual return (%)

Advanced options

Annual contribution increase (%) Inflation rate (%) Compounding frequency Contribution timing

Estimates only. Not financial advice. Markets can go down as well as up.

Future value

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Total contributed

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Total interest

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Value after inflation

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Year	Monthly (£)	Total invested	Portfolio value
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