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When does a refinance pay for itself? The breakeven math

August 13, 20262 min readHelloLend Team

Refinancing isn't free: closing costs typically run 2% to 5% of the loan amount. The real question isn't whether your rate drops, it's whether you'll stay in the home long enough for the monthly savings to outweigh what you paid to get there, and that's the breakeven point.

The breakeven math, worked through
  1. Total the closing costsIn this example, $6,000, within the typical 2% to 5% of the loan amount.
  2. Find the monthly savingsOld payment minus new payment: $150 a month.
  3. Divide$6,000 divided by $150 is 40 months, a little over three years.
  4. Compare to your plansMove or sell before month 40 and the refinance likely costs more than it saves.

Rolling costs into the loan or resetting to a new 30-year term changes the result.

How to find your breakeven

  1. Add up total closing costs for the new loan
  2. Calculate your monthly savings: the difference between your old payment and your new one
  3. Divide closing costs by monthly savings to get the number of months until breakeven
  4. Compare that timeline to how long you actually plan to stay in the home

A worked example

$6,000 in closing costs divided by $150 in monthly savings puts your breakeven point at 40 months, a little over three years. If you plan to move or sell before then, the refinance likely costs more than it saves.

What changes the real math

  • Resetting your loan term: refinancing into a new 30-year term can lower your payment but extend how long you're paying interest overall
  • Rolling closing costs into the loan rather than paying them upfront, which changes your true breakeven timeline
  • Rate-and-term versus cash-out refinances, which carry different cost structures and payoff math

The lowest rate isn't always the better deal. The fastest breakeven relative to how long you'll stay in the home is.

Running the numbers before applying keeps a refinance from becoming a decision you regret two years in.

Published August 13, 2026 by the HelloLend Team. General information, not legal or financial advice. Talk to your loan officer about your own loan. This is not a commitment to lend or extend credit.

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Worth the closing costs?

A loan officer can run your breakeven with real closing costs and payments, so you know the month a refinance starts paying off. Pre-qualifying will not affect your credit score.

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