Financial

Refinance Calculator

Quick answer

Test whether replacing a mortgage could reduce payments or total interest.

Loading calculator…

What this calculator does

Test whether replacing a mortgage could reduce payments or total interest.

How to use this calculator

  1. Enter current loan details and the proposed refinance rate, term, and fees.
  2. Review the calculation assumptions before using the result.
  3. Compare savings against the refinance break-even point.

How to calculate

Monthly payment uses loan amortization; APR is solved from the new payment and net proceeds after upfront fees; break-even is the first month when cumulative refinance cost is no greater than keeping the current loan.

Enter the values requested by the refinance calculator.

Worked example

With the example values shown above, the refinance assessment is Less expensive, and the new monthly payment is $1,791.08, and the monthly savings is $8.92.

Understanding your result

Compare savings against the refinance break-even point.

  • A lower payment can still mean more lifetime interest.
  • Double-check values and units before calculating.

This calculator is educational and is not financial or medical advice.

Frequently asked questions

What does this refinance calculator do?

Test whether replacing a mortgage could reduce payments or total interest.

How do I use this refinance calculator?

Enter current loan details and the proposed refinance rate, term, and fees.

What does the result mean?

Compare savings against the refinance break-even point.

What should I check before relying on it?

A lower payment can still mean more lifetime interest.

What is the refinance break-even point?

It's how long it takes for the monthly savings from refinancing to cover the upfront closing costs — refinancing tends to be worth it only if you plan to keep the loan longer than that break-even period.

Can refinancing lower my payment but still cost more overall?

Yes — extending the loan term as part of a refinance can lower the monthly payment while increasing total lifetime interest, since the balance accrues interest over more months even at a lower rate.

Embed this calculator

Copy this code to add this free calculator to your website or blog.

Guides

Related calculators