Investing

Compound Interest Calculator

Investment growth with contributions. Use this compound interest calculator to estimate how an initial investment plus recurring contributions may grow over time.

Estimated time: 3 minCategory: InvestingBrowser-based

What it helps you answer

How an initial investment plus recurring contributions may build over time, how compound growth changes the result, and how fees or inflation can reshape the long-term outcome.

Why people use it

It is built for quick first-pass answers and deeper scenario testing without feeling heavy, with a clear breakdown of contribution versus compound growth.

Helpful Next Steps

Related tools that round out the investing picture.

Investment Fee Calculator

See how small percentage fees can drag on long-term growth over time.

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RRSP / TFSA Calculator

Compare account strategies when you want to see where your investing plan may fit best.

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Net Worth Calculator

Use your current balance sheet as a baseline before you project future compound growth.

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If this calculator helped you test an investing scenario more clearly, support future SimpleKit tools.