Financial calculators and education

Financial calculators for everyday people.

Explore investing, debt, mortgages, savings, and paychecks with simple tools and clear explanations.

Example: $300 a month in an S&P 500 index fund for 30 years
Example contributions and estimated growth This example adds $300 a month to an S&P 500 index fund for 30 years. It uses a 7% yearly growth rate. The example adds growth each month and adds each $300 deposit at the end of the month. Contributions total $108,000 and estimated growth is about $258,000. $366k example total

Example only: a 7% yearly growth rate, with growth and deposits counted each month.

Contributions
$108,000
Estimated growth
$258,000

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