How it works
Simple interest multiplies principal by the annual rate and the number of years; earlier interest never earns interest of its own.
Example
$8,000 at 4.5% for three years earns $1,080, for a total of $9,080.
This tool is for estimation and education, not financial, tax, or legal advice.
Frequently asked questions
Are the results exact lender quotes?
No. Results are estimates from the values entered and exclude terms or charges not shown.
Does the calculator send my numbers anywhere?
No. The calculation runs locally in your browser.
How should I use the result?
Compare scenarios, then verify important figures against a lender disclosure or account statement.
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