Compound Interest Calculator.

Project long-term investment growth with compounding and contributions.

Compound Interest Calculator

Future value: $40491.01

Total contributions: $22000.00

Total growth (interest): $18491.01

How it works

Three steps.

  1. 01

    Enter principal, annual return, and investment duration.

  2. 02

    Set contribution amount and compounding frequency.

  3. 03

    Review projected future value and total growth.

Features

Key Features.

See how compounding and contributions affect future wealth.
  • Future value projection

    Estimate growth from principal, return rate, and timeline.

  • Recurring contributions

    Include ongoing contributions to model disciplined investing.

  • Growth vs contributions

    See how much comes from your deposits versus compounding.

FAQ

Questions.

Can't find an answer? Send us your question.

Is this guaranteed return?

No. Market returns vary and this calculator provides estimates for planning.

What compounding frequency should I choose?

Monthly (12) is common for savings and recurring investments.

Can I model zero contributions?

Yes. Set contributions to 0 to see growth from principal only.

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