Compound Interest Calculator.

A little context.

Compounds monthly with contributions at the end of each month. Assumes a constant nominal return; taxes, fees and inflation are excluded. Returns are not guaranteed.

Try an example

How to use this tool

1. Enter initial amount, monthly contribution, annual nominal return (%), years in the workspace above.
2. Select Run tool to process your input. Invalid values produce a message next to the form.
3. Copy the result or download it as a file. Reset example restores the original input.