LoanMath

Refinance Loan Calculator

Does refinancing pay off?

Your figures stay on your computer — no server, no tracking, no registration
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Try: Current balance=18000, Old APR=7.5, Months remaining=48, New APR=4.9, Closing fee=400 → $435, $414, $22, $400, $632, 18.6

How to use

Compare your current loan against a new, lower rate including the closing fee. The calculator shows monthly savings, lifetime savings and the payback period.

Formula

Net save = old interest − (new interest + fee); payback = fee / monthly save.

FAQ

When is it worth it?

If payback is under a year or two and you keep the loan, usually yes.

Watch the new term

Resetting to a long term can erase savings; match the remaining months.

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