Should You Refinance?
Calculate your break-even point and total interest savings to see if refinancing makes sense.
Your Current Mortgage
Proposed Refinance Loan
Roll this into the loan or pay upfront.
Restore the starter refinance comparison.
What this means
A refinance needs a break-even point that fits how long you expect to keep the loan. A lower payment alone can be misleading if closing costs are high or the new term stretches debt longer.
Scenario comparison
Cases to test next
| Case | Change | Watch |
|---|---|---|
| No refinance | Keep the current loan. | Existing payment and remaining term |
| Lower rate | Use a lower proposed rate. | Payment and break-even movement |
| Shorter term | Compare 10 or 15 years. | Higher payment, lower interest |
| Higher closing costs | Stress-test fees. | Break-even gets pushed out |
Visual analysis
Refinance visual analysis
The break-even curve matters more than the first monthly savings number if you may sell, move, or refinance again.
| Signal | Value to watch | Why it matters |
|---|---|---|
| Current loan | Existing cost path | What happens if the current loan is kept. |
| New loan | Refinance cost path | New payment plus closing costs over time. |
| Break-even | Recovery month | When monthly savings recover the upfront cost. |
| Term risk | New loan length | A lower payment can still extend debt if the term resets. |
Should You Refinance Your Mortgage? Understanding the Math
A refinance can lower the payment, shorten the loan, or reduce interest. A lower rate does not guarantee savings. Closing costs, points, and a restarted term can change the result, so the break-even month matters.
The Golden Rule: The Break-Even Point
The most critical metric in any refinance is the break-even point. This is the exact number of months it takes for your monthly savings to cover the upfront closing costs of your new loan. For example, if your new loan costs $6,000 to close and saves you $200 per month, your break-even point is exactly 30 months.
If you plan to stay in your home for five years but your break-even point is seven years, then refinancing would actually cost you more than you save. Our tool instantly calculates this timeline so you can visualize exactly when your "real" savings actually begin.
Rate-and-Term vs. Cash-Out Refinancing
There are generally two types of refinances you should consider:
- Rate-and-Term: The objective is to purely lower your interest rate or change the length of your loan (for example, from a 30-year to a 15-year mortgage). This is the best way to aggressively reduce total interest paid.
- Cash-Out: This allows you to borrow more than you owe on your current mortgage and take the difference in actual cash. It's often used for high-interest debt consolidation or major home improvements, but it increases your loan balance and often carries slightly higher interest rates.
Don't Ignore Your Closing Costs
Refinancing isn't free. Typical closing costs range from 2% to 5% of the total loan amount and include appraisal fees, title insurance, and bank origination fees. Some lenders offer "no-closing-cost" refinances, but these invariably come with higher interest rates that slowly offset the initial savings. We recommend entering a realistic estimate for closing costs above to get an absolutely accurate analysis.
Watch the loan term
If you've already paid 5 years into a 30-year mortgage and you refinance into a brand *new* 30-year mortgage, you've just reset your payoff clock entirely. Even with a radically lower rate, you might end up paying more total lifetime interest simply because you're borrowing money for a longer period of time.
Common refinance questions
Should I refinance for a lower payment or a shorter term?
If cash flow is tight, a lower payment can help. If you can comfortably handle the payment, a shorter term often creates stronger long-run savings.
What if I might move in a few years?
Focus on the break-even line. A refinance that never recovers its upfront costs before you move is usually the wrong trade.
Related guide
Need a second opinion on the scenario?
Read our refinance guide for break-even timing, points, and term-reset risk before you commit to a lender quote.
Read the refinance guideLast updated: May 2026
Formula or calculation method
The calculator compares your current loan payment with a proposed new loan payment. It estimates monthly savings, closing-cost break-even timing, and total cost difference across the selected remaining term and new term.
Read the sitewide calculator methodology for how utility.finance documents formulas, assumptions, and model limits.
Plain-English assumptions
- Closing costs are entered as a single estimate and treated as a cost of the refinance.
- The model assumes fixed rates and does not evaluate points, lender credits, escrow changes, or prepayment penalties separately.
- The output assumes you keep the loan long enough for the break-even comparison to matter.
Worked example
Example: if refinancing costs $6,000 and saves $200 per month, the simple break-even point is 30 months. If you expect to sell in 18 months, that refinance is unlikely to recover its upfront cost.
Scenario comparison
Scenario comparison: refinancing to a lower rate with the same remaining term can reduce interest. Refinancing into a new longer term may lower the payment but can increase total interest by extending the payoff clock.
Sensitivity notes
Sensitivity note: refinance decisions are sensitive to closing costs, rate difference, term length, and how long you keep the loan. A small rate drop may be useful only if fees are low or the holding period is long.
Common mistakes
- Judging the refinance only by the lower monthly payment.
- Ignoring points, lender credits, or a term reset.
- Rolling closing costs into the loan without recognizing that the balance increases.
FAQ
Is a 1% rate drop always worth refinancing?
No. A 1% drop can help, but the answer depends on closing costs, remaining term, new term, and how long you keep the mortgage.
What is reset-term risk?
Reset-term risk is the chance that a new longer loan lowers the payment but extends debt long enough to increase lifetime interest.
Related guides
Start with Need a second opinion on the scenario?. It expands the calculator result with context, examples, and decisions to check before acting.
Related scenarios
Disclaimer
This calculator is for education and scenario planning. It does not provide individualized financial, tax, legal, credit, mortgage, or investment advice. Real outcomes can differ because rates, fees, taxes, insurance, lender rules, market returns, and household circumstances vary. Review the full financial disclaimer before relying on any estimate.
Cumulative Savings Timeline
See exactly when your upfront costs are paid off
| Year | Total Net Savings | Cost Recovery |
|---|