When Should You Refinance Your Mortgage?

Refinancing means replacing your existing mortgage with a new one, usually to get a better interest rate, change your loan term, or tap into home equity. It can save thousands of dollars, but it isn't free, so timing matters. Here's how to tell whether a refinance makes sense for you.

Understand the Break-Even Point

Every refinance comes with closing costs, which often run a few percent of the loan amount. The key question is how long it takes for your monthly savings to cover those costs.

The break-even calculation is simple: divide your total closing costs by the amount you save each month. If costs are $4,000 and you save $200 a month, you break even in 20 months. If you plan to stay in the home longer than that, refinancing is likely worth it. The refinance calculator can do this math for you with your real numbers.

When Rates Have Dropped

The most common reason to refinance is a meaningful drop in interest rates. An old guideline suggested refinancing only if you could cut your rate by a full percentage point, but the right threshold really depends on your loan size and closing costs. On a large balance, even a smaller rate reduction can justify the move; on a small balance, you may need a bigger drop to come out ahead.

When Your Credit or Finances Have Improved

If your credit score has climbed or your income has become more stable since you first borrowed, you may now qualify for better terms than your current loan offers. Refinancing can lock in a lower rate that reflects your stronger financial profile, even if market rates haven't changed much.

To Change Your Loan Term

Refinancing isn't only about the rate. You can also use it to reshape the loan:

  • Shorten the term: Moving from a 30-year to a 15-year loan raises your monthly payment but cuts total interest and builds equity faster.
  • Lengthen the term: Extending the schedule lowers your monthly payment, though you'll pay more interest over time.
  • Switch loan types: Some borrowers move from an adjustable-rate mortgage to a fixed-rate mortgage to make their payments predictable.

To Drop Mortgage Insurance

If you have an FHA loan, mortgage insurance often lasts for the life of the loan. Once you've built enough equity, refinancing into a conventional loan can eliminate that ongoing insurance cost, sometimes saving money even if the interest rate is similar.

When Refinancing May Not Be Worth It

Refinancing isn't always the right call. Think twice if:

  • You plan to sell or move before reaching the break-even point.
  • The closing costs are high relative to your potential savings.
  • Resetting the clock on a loan you've paid down for years would add significant interest.
  • You'd be trading a low fixed rate for a less predictable structure.

The bottom line is to compare the full cost of refinancing against the savings over the time you actually expect to keep the home. Run your own figures before committing, and treat any quoted rate as an estimate rather than a guarantee until it's locked.