Compound Interest Calculator

Created: 8th Feb 26 1 Views

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Project long-term investment growth using compounding and regular contributions.

How to Use This Tool

Enter principal, annual return, contribution, time horizon, and compounding frequency.
Click Calculate Growth to project balance over time.
Review chart, final value, total contribution, and total interest earned.

Returns are estimated and not guaranteed.
Use conservative assumptions for planning decisions.
Formula: A = P(1 + r/n)^(n*t), plus periodic monthly contributions.
Interest earned = Final corpus - Total contributions.
All calculations run fully in your browser. Inputs are not sent to our server.
Safe and free to use: no login, no signup, no paywall.
Country and currency presets are for planning support and may require local verification.
If you find a bug, please report it in comments with sample input and expected output.

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