Refinance Calculator

How do you calculate the break-even point on a refinance?

The break-even point is the exact number of months it takes for your accumulated monthly payment savings to equal the upfront closing costs of the new loan. Mathematically, it is calculated as total closing costs divided by monthly savings. For example, if refinancing costs $6,000 in closing fees and saves you $400 per month, your break-even period is 15 months.

Understanding your break-even point is critical because American homeowners move or refinance every 5 to 7 years on average. If your break-even horizon is 48 months and you plan to sell the home in three years (36 months), refinancing will result in a net financial loss, even though your monthly payment was lower. Always ensure your expected tenure in the property comfortably exceeds the break-even timeline.

Closing costs typically range from 1.5% to 3% of the total loan amount and encompass lender origination fees, appraisal, title search, insurance, recording fees, and settlement charges. Whether you pay these fees out-of-pocket or roll them into your new loan balance, they represent a real cost of borrowing that must be recovered through rate savings.

Can a lower refinance payment cost you more?

The most widespread mistake in mortgage refinancing is focusing exclusively on monthly cash flow while ignoring amortization reset. When you have paid down a 30-year mortgage for 8 years, you have 22 years remaining, and a larger portion of each payment is reducing principal.

If you refinance into a brand-new 30-year loan at a slightly lower rate, your monthly payment will decrease substantially — but your amortization clock restarts at month one.

Because the loan term is stretched back out to 360 months, you pay interest on your balance for an additional 8 years. In many scenarios, this term extension results in paying tens of thousands of dollars more in total lifetime interest, completely wiping out the rate reduction benefit.

To capture true interest savings without lengthening your debt horizon, consider two strategies: refinance into a shorter term (such as a 15-year or 20-year mortgage), or use the "Keep your original payoff date" approach by making a slightly higher monthly payment on your new loan to match your original payoff target.

What is the difference between a cash-out and a rate-and-term refinance?

A rate-and-term refinance changes only your interest rate, loan term, or program type without altering your principal balance (aside from rolling in closing costs). In contrast, a cash-out refinance replaces your existing mortgage with a larger loan, allowing you to withdraw a portion of your accumulated home equity in cash at closing.

While cash-out refinancing provides access to substantial funds often at lower interest rates than personal loans or credit cards, it increases your total debt and monthly obligation. Borrowers should consider that cashing out reduces home equity, increases the loan-to-value (LTV) ratio, and might trigger private mortgage insurance (PMI) if equity falls below 20%.

When does refinancing make financial sense?

Refinancing makes compelling financial sense when you can lower your interest rate by 0.75% to 1.00% or more, shorten your loan term to build equity faster, eliminate costly monthly PMI after your property has appreciated, or switch from an adjustable-rate mortgage (ARM) to a stable fixed rate.

Conversely, refinancing should generally be avoided if you plan to move before reaching your break-even month, if your current mortgage carries a heavy prepayment penalty, if closing costs outweigh long-term interest savings, or if stretching your term increases your total lifetime debt obligation beyond acceptable limits.

Under the CFPB Truth in Lending Act (TILA) regulations, lenders are required to provide a standardized Loan Estimate within three business days of receiving your application. Use this tool to verify the figures on your Loan Estimate before locking your loan.