Mortgage Refinance Break-Even Calculator
Find out how many months it takes for refinancing savings to cover the closing costs.
Current Loan
New Loan (Refinance Offer)
Break-even point
27 months
Since you plan to stay 10 years, refinancing is likely worth it.
Current Payment
$2,217
New Payment
$2,026
Monthly Savings
$191
Lifetime Interest Savings
$57,406
What Is the Mortgage Refinance Break-Even Calculator?
Mortgage Refinance Break-Even Calculator Formula
Monthly Savings = Current Payment − New Payment
Break-Even Months = Closing Costs ÷ Monthly Savings
How Is the Mortgage Refinance Break-Even Calculator Calculated?
Refinancing replaces your current loan with a new one, usually at a lower rate, but it isn't free — closing costs (appraisal, origination fees, title insurance, etc.) are paid upfront. The break-even point is when your accumulated monthly savings equal those upfront costs — refinancing only becomes a net financial win after that point.
Mortgage Refinance Break-Even Calculator Example
Refinancing a $300,000 balance from 7.5% to 6.5% (same 25-year remaining term) lowers the payment by about $191/month. With $5,000 in closing costs, the break-even point is about 26 months — if you plan to stay longer than that, refinancing likely pays off.
How to Use the Mortgage Refinance Break-Even Calculator
Step 1
Enter your current loan's remaining balance, rate, and remaining term.
Step 2
Enter the new loan's rate, term, and closing costs from the refinance offer.
Step 3
Enter how many years you plan to stay in the home.
Step 4
Check whether the break-even point falls before or after your planned time in the home.
Benefits
- Gives a clear, concrete break-even timeline instead of just comparing interest rates.
- Shows both monthly savings and total lifetime interest savings from refinancing.
- Directly answers whether refinancing is worth it based on how long you actually plan to stay.
Common Mortgage Refinance Break-Even Calculator Scenarios
Scenario 1
Deciding whether to accept a refinance offer from your lender.
Scenario 2
Comparing multiple refinance offers with different rates and closing costs.
Scenario 3
Checking whether refinancing still makes sense if you might sell or move within a few years.
Understanding Your Result
If the break-even point is well within your planned time in the home, refinancing is likely a good financial move. If it's close to or beyond how long you plan to stay, the closing costs may not be worth paying — you'd move or sell before recouping them.
Tips
- Watch out for refinance offers that reset your loan term back to 30 years — this can lower monthly payments while increasing total lifetime interest, even at a lower rate.
- Factor in how likely you are to move earlier than planned — job changes and life events can shorten your actual time in the home.
- Compare the total interest over the life of both loans, not just the monthly payment, for the full picture.
Common Mistakes
- Ignoring closing costs entirely and only comparing the interest rate difference.
- Resetting the loan term to a fresh 30 years without realizing it increases total interest paid, even at a lower rate.
- Refinancing without considering how many more years you actually plan to stay in the home.
Frequently Asked Questions
Is refinancing always a good idea if the rate is lower?
Not necessarily — closing costs need time to be recouped through monthly savings, so refinancing is most beneficial if you plan to stay in the home well beyond the break-even point.
Should I reset my loan term when refinancing?
Resetting to a fresh full term (like 30 years) usually lowers your monthly payment further but can increase total interest paid over the life of the loan — consider matching your new term to your remaining term instead if minimizing total interest matters more.
What closing costs should I expect when refinancing?
Refinance closing costs typically run 2-5% of the loan amount, covering appraisal, origination, title, and other fees — get a detailed quote from your lender for exact figures.
Can I roll closing costs into the new loan instead of paying upfront?
Yes, many lenders allow this (a 'no-cost' or rolled-in refinance), but it increases your loan balance and total interest paid — this calculator assumes closing costs are paid upfront, so model it separately if rolling costs in.
Does refinancing restart my amortization schedule?
Yes — a refinance is a brand-new loan, so early payments go mostly toward interest again even at a lower rate, unless you match your new term to your remaining term.
How much does my credit score need to improve to get a meaningfully lower rate?
There's no fixed threshold, but moving into a higher credit tier (e.g. from 'good' to 'excellent') can meaningfully lower your offered rate — check current offers rather than assuming based on score alone.
Is cash-out refinancing calculated the same way?
This calculator models a standard rate-and-term refinance; a cash-out refinance increases your loan balance to access equity, which changes the monthly payment and break-even math beyond what's modeled here.
What happens if I sell before reaching the break-even point?
You won't have recouped the closing costs through monthly savings, so the refinance would end up costing more overall than staying with your original loan.
Are there refinance options with no closing costs?
Some lenders offer 'no-cost' refinances by charging a slightly higher interest rate instead of upfront fees — that can make sense if you don't plan to stay long enough to reach a traditional break-even point.
Important Information
This tool estimates break-even based on principal and interest payments only — actual refinance offers may include additional fees or terms not captured here.
Last updated: July 26, 2026