When should you refinance? 5 signs it might be time

The 1% rule (and why it is not always right)

You may have heard that refinancing only makes sense if you can lower your interest rate by at least 1 percentage point. This rule of thumb has been around for decades, and while it is a reasonable starting point, it oversimplifies a decision that depends on several variables.

The 1% rule was more relevant when closing costs were relatively uniform and most borrowers had similar loan balances. In practice, someone with a $400,000 mortgage saves far more per month from a 0.5% rate drop than someone with a $150,000 balance. The dollar amount of savings matters more than the percentage.

Instead of relying on a blanket rule, calculate your actual break-even point. If your monthly savings recoup the closing costs within a timeframe that makes sense for how long you plan to stay in the home, the refinance is likely worth it. Use the refinance savings calculator to run your specific numbers.

Sign 1: Current rates are significantly lower than yours

This is the most straightforward reason to refinance. If market interest rates have dropped meaningfully since you took out your mortgage, you may be able to lock in a lower rate and reduce your monthly payment, your total interest, or both.

How much of a drop is "meaningful" depends on your situation. For a $300,000 mortgage, moving from 7% to 6.25% on a 30-year fixed loan would save approximately $150 per month in principal and interest. Over the remaining life of the loan, that adds up to more than $50,000 in interest savings (before accounting for closing costs).

Keep in mind that the rate you qualify for depends on your credit score, loan-to-value ratio, and debt-to-income ratio. The rates you see quoted in the news are national averages for well-qualified borrowers. Your actual offer may be higher or lower depending on your financial profile.

Check our live mortgage rates page to see where rates stand today, then compare against the rate on your current loan.

Sign 2: Your credit score has improved

If your credit score has gone up significantly since you took out your mortgage, you may now qualify for a better rate than you originally received, even if market rates have not changed much. Lenders price risk into interest rates, and a higher credit score signals lower risk.

For example, a borrower who originally financed at 7.5% with a 640 credit score might now qualify for 6.5% or lower with a score of 760. The improvement in rate depends on the lender and the current market, but credit score improvements of 80 to 100 points can make a meaningful difference in the rate you are offered.

Common reasons your score may have improved since you bought your home include: paying down credit card balances, making consistent on-time mortgage payments (which build payment history), having older accounts age and improve your credit length, or resolving negative items that have fallen off your report after seven years.

Before applying, check your credit report from all three bureaus (Equifax, Experian, TransUnion) at AnnualCreditReport.com and dispute any errors you find. Even small corrections can bump your score enough to cross a pricing tier.

Sign 3: You want to switch from ARM to fixed

Adjustable-rate mortgages (ARMs)offer a lower initial rate for a fixed period (typically 3, 5, 7, or 10 years), after which the rate adjusts periodically based on a market index. If your ARM's initial fixed period is ending or has already ended, your rate may increase substantially at each adjustment.

Refinancing from an ARM to a fixed-rate mortgage eliminates the uncertainty of future rate adjustments. You trade the possibility of a lower rate for the certainty of a consistent monthly payment for the remaining life of the loan. This can be especially valuable if you plan to stay in the home long-term.

The decision comes down to timing and rate environment. If fixed rates are currently close to your ARM's initial rate, locking in makes strong sense. If fixed rates are significantly higher than what your ARM might adjust to (based on the index and margin in your loan terms), it may be worth waiting. Review your ARM's adjustment caps and worst-case scenario rate to understand your maximum exposure.

Sign 4: You need cash for a major expense

A cash-out refinance lets you replace your current mortgage with a larger one and take the difference in cash. This can make sense when you have built significant equity and need funds for a purpose where the interest rate on a mortgage is lower than the alternatives.

Common uses for cash-out refinancing include:

• Home improvements: Renovations that increase your home's value can be a smart use of equity, especially if the improvement returns more value than the cost of borrowing.
• High-interest debt consolidation: If you carry credit card debt at 18% to 25% interest, rolling it into a mortgage at 6% to 7% can significantly reduce your interest costs. However, you are converting unsecured debt into debt secured by your home.
• Education expenses: Some homeowners use equity to fund college tuition, though this should be carefully compared against federal student loan options.
• Emergency reserves: Building a cash reserve during uncertain economic times, though this increases your monthly payment and total interest.

Be cautious with cash-out refinancing. You are increasing your total debt and putting your home at greater risk. Most lenders limit cash-out refinances to 80% of your home's appraised value (meaning you must retain at least 20% equity). The rate on a cash-out refinance is also typically slightly higher than a rate-and-term refinance.

Sign 5: You want to drop PMI

Private mortgage insurance (PMI) is required on conventional loans when your down payment is less than 20%. PMI typically costs between 0.5% and 1% of your loan amount annually, adding $100 to $300 or more per month for a typical mortgage.

If your home has appreciated enough (or you have paid down enough principal) that you now have at least 20% equity, refinancing can eliminate PMI entirely. Even if your new interest rate is similar to your current one, dropping PMI alone can result in meaningful monthly savings.

Note that you may not need to refinance to remove PMI. Under the Homeowners Protection Act, your servicer must automatically cancel PMI when your loan balance reaches 78% of the original purchase price. You can also request removal at 80%. However, these calculations are based on the original value, not current market value. If your home has appreciated significantly, refinancing based on a new appraisal may be the faster route to eliminating PMI.

For FHA loans, mortgage insurance premiums (MIP) work differently. FHA loans originated after June 2013 with less than 10% down require MIP for the life of the loan. The only way to remove FHA MIP in this case is to refinance into a conventional loan, assuming you now have sufficient equity and credit.

When NOT to refinance

Refinancing is not the right move in every situation. Here are scenarios where it may cost you more than it saves:

You plan to move soon

If you are likely to sell your home within the next one to three years, you may not stay long enough to recoup the closing costs through monthly savings. Calculate your break-even point first. If it is longer than your planned time in the home, refinancing will cost you money.

You are far into your current loan term

If you are 20 years into a 30-year mortgage, most of your monthly payment is already going toward principal rather than interest. Refinancing into a new 30-year loan would restart the amortization clock, and you would spend the early years of the new loan paying mostly interest again. If you refinance late in your term, consider a shorter loan to avoid this trap.

The closing costs are too high relative to your savings

Closing costs for a refinance typically range from 2% to 5% of the loan amount. If your monthly savings are small, it may take five years or more to break even. Make sure the math works before committing. Check our refinance costs guide for a detailed breakdown of what to expect.

Your credit situation has worsened

If your credit score has dropped or your debt-to-income ratio has increased since you took out your current mortgage, you may not qualify for a better rate. In some cases, you could end up with a higher rate than you currently have. Check your credit profile before applying.

How to calculate your break-even point

The break-even point is the most important number in any refinance decision. It tells you how many months it takes for your monthly savings to equal the total cost of refinancing. After the break-even point, every dollar saved is profit.

The basic formula is straightforward:

For example, if your closing costs are $4,500 and you save $180 per month, your break-even point is 25 months (just over two years). If you plan to stay in the home for at least three years, the refinance makes financial sense.

For a more precise calculation that accounts for tax implications, the time value of money, and your remaining loan balance, use our refinance savings calculator. It will show you the break-even point along with your total interest savings and lifetime cost comparison.

As a general guideline, a break-even point of 18 to 36 months is considered favorable for most homeowners. If your break-even is longer than five years, carefully consider whether you will truly stay in the home that long before committing.