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Investment Calculator

Calculate your investment growth with compound interest and regular contributions. Plan for your financial future with detailed year-by-year projections.

Investment Details

$

Starting amount to invest

$

Amount to invest each month

%

Expected annual rate of return (S&P 500 historical: ~10%)

How long you plan to invest

How often interest compounds

Investment Projection

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Enter your investment details above to see growth projections

Understanding Investment Growth

The Power of Compound Interest

  • • Compound interest earns returns on your returns
  • • Time is your greatest asset for building wealth
  • • Regular contributions accelerate growth
  • • Starting early makes the biggest difference

Investment Tips

  • • Diversify your investment portfolio
  • • Consider low-cost index funds
  • • Don't try to time the market
  • • Stay consistent with contributions
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How this is calculated · figures checked Oct 7, 2026

Compound growth at your expected return and compounding frequency, with regular contributions added each period. Returns are not guaranteed.

Figures used

Sources

Estimates for planning, not professional advice. What changed and when →

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