Compound Interest Calculator (Investment Growth)

Use our Compound Interest Calculator (Investment Growth) to estimate long-term investment growth. You can include monthly contributions, interest rate assumptions and time horizon.

Open Compound Interest Calculator (Investment Growth)

How compound interest works

Compound interest allows returns to generate additional returns. Over long periods this creates exponential growth rather than linear growth.

This effect is why compound interest plays a key role in investing, retirement planning and long-term portfolio growth.

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Once you estimate growth, the next step is choosing where to invest or save.

Complete Compound Interest Guide

Example Investment Scenario

Example scenario using compound interest:

Estimated future value: ,219,971

Run your own scenario in the Compound Interest Calculator (Investment Growth)