Finlord

Compound Interest Calculator

See how your regular investments grow thanks to compound interest. Enter your monthly contribution, expected return and time horizon.

Inputs

Currency

Initial lump sum ({currency}) Monthly contribution ({currency}) Expected annual return (%) Investment horizon (years)

Results

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How this calculator works

The calculation uses monthly compounding: each month your contribution is added to the portfolio and the whole balance grows by 1/12 of the annual return. The result is indicative — real market returns fluctuate, and the calculator ignores taxes and fees.