Refinance Break-Even Calculator
Compare current and new mortgage payments to see how long refinance closing costs may take to recover.
Enter your numbers
Use the defaults as a sample scenario, then edit any field to compare outcomes.
Planning estimate only. Results update locally in your browser.
Understand the result
Use this section for the assumptions, tradeoffs, charts, and questions to ask before acting.
Educational estimate only — not financial, legal, tax, mortgage, or lending advice. Confirm lender rules, taxes, insurance, penalties, and legal/tax implications with qualified professionals.
What this means
You would need about 2 years, 2 months — around Jul 2028 — to recover fees through restart-term monthly savings. Restart-term refi leads over a planned 5 years hold, but compare that with the keep-old-term option before accepting a lower payment.
Decision memo
Copy or print a local-only worksheet for lender shopping, household planning, or refinance comparisons.
| What changes | Baseline | New scenario | Difference |
|---|---|---|---|
| Monthly payment | $2,474 | $2,043 | $431 |
| Keep old term payment | $2,474 | $2,202 | $272 |
| Net savings if held 5 years | Stay put | Restart / keep term | $14,823 / $5,261 |
| Interest difference after costs | Current loan | Restart / keep term | -$4,234 / $70,506 |
- Baseline
- $2,474
- New scenario
- $2,043
- Difference
- $431
- Baseline
- $2,474
- New scenario
- $2,202
- Difference
- $272
- Baseline
- Stay put
- New scenario
- Restart / keep term
- Difference
- $14,823 / $5,261
- Baseline
- Current loan
- New scenario
- Restart / keep term
- Difference
- -$4,234 / $70,506
| Option | Loan amount | Monthly payment | Remaining interest | Break-even |
|---|---|---|---|---|
| Current loan | $350,000 | $2,474 | $392,118 | — |
| Refi: restart term | $350,000 | $2,043 | $385,302 | 2 years, 2 months |
| Refi: keep old term | $350,000 | $2,202 | $310,562 | 3 years, 5 months |
| Cost detail | Points $1,750 | Fees $11,050 | Cash-in $0 | Cash-out $0 |
- Loan amount
- $350,000
- Monthly payment
- $2,474
- Remaining interest
- $392,118
- Break-even
- —
- Loan amount
- $350,000
- Monthly payment
- $2,043
- Remaining interest
- $385,302
- Break-even
- 2 years, 2 months
- Loan amount
- $350,000
- Monthly payment
- $2,202
- Remaining interest
- $310,562
- Break-even
- 3 years, 5 months
- Loan amount
- Points $1,750
- Monthly payment
- Fees $11,050
- Remaining interest
- Cash-in $0
- Break-even
- Cash-out $0
Watch-outs
- A lower payment can still cost more over time if the new term stretches repayment too far.
- Cash-out increases debt; cash-in improves payment math but also uses liquidity that may have other uses.
- The hold-period net only counts payment savings through your planned keep date; it does not model tax effects, escrow changes, investment opportunity cost, or future refinance options.
- If you may sell or refinance again before break-even, the savings may not materialize.
Formula
Monthly savings = current monthly payment − new monthly payment.
Total refinance costs include closing costs, points, origination/admin, appraisal, title/legal, and discharge/penalty placeholders.
Break-even months = total refinance costs ÷ monthly savings. The comparison also shows restarting the term versus keeping the old remaining term.
Lifetime interest difference compares remaining current interest against new loan interest plus refinance costs.
Worked example
If refinancing saves $300/month and costs $6,000, simple break-even is about 20 months.
Important disclaimer
This is an educational calculator, not financial, legal, tax, or professional advice. Decisions can depend on taxes, fees, local rules, rates, risk, and your personal situation.
FAQ
What if there is no monthly savings?
Then there is no payment-savings break-even, though other reasons to refinance may exist.
Why can lifetime interest get worse?
Extending the term can lower monthly payment but increase total interest.
Does this include taxes?
No. It focuses on principal, interest, lender/closing-cost placeholders, penalties, points, and cash-in/cash-out assumptions.
Get a better answer from the Refinance Break-Even Calculator
- Start with the example values to see how the tool behaves.
- Swap in your own numbers, even if they are rough first-pass estimates.
- Change one input at a time so you can see what actually moves the result.
What the result means
The result is a home-budget estimate, not a lender promise. It helps you see the monthly payment, cash pressure, and interest tradeoff before you shop or commit.
How to use it
Compare a comfortable case with a stretched case. The gap tells you how much room you have if the rate, taxes, insurance, or closing costs move.
What can change it
Principal and interest are only part of home cost. Taxes, insurance, HOA or condo fees, repairs, mortgage insurance, and closing costs can change the real answer fast.
Example to try
Compare the break-even month with how long you expect to keep the loan. If you may sell before break-even, the lower payment can be misleading.
Assumption to challenge
Closing costs, points, penalties, and restarting the amortization clock can offset a lower rate. Keep term length consistent when comparing.
Verify next
Confirm payoff balance, lender fees, third-party fees, points, prepayment penalty, cash-in/cash-out amount, and whether the new term restarts amortization.
Common uses
- Decide whether refinancing may make sense.
- Estimate break-even months.
- Compare monthly savings to closing costs.
Common questions
Is the Refinance Break-Even Calculator private?
Yes. CalcShelf calculators run without an account, do not save calculator entries, and do not put raw inputs into shareable URLs or analytics events.
How accurate is the Refinance Break-Even Calculator?
It is a home-finance estimate, not a lender quote. Rates, taxes, insurance, fees, insurance premiums, and underwriting rules can change the real payment or approval result.
What should I check after using the Refinance Break-Even Calculator?
Verify rate, fees, taxes, insurance, lender rules, cash to close, and any mortgage insurance before acting.
Which calculator should I try next?
Use the related calculators below to cross-check the same decision from another angle before you act.
Method behind the estimate
Mortgage calculators use standard amortization and payment math with user-entered rates, terms, taxes, insurance, and fee assumptions.
Why the detail matters
Results are estimates. Lender rules, payment frequency, penalties, taxes, mortgage insurance, closing costs, and local law can change the real answer.
Privacy guardrail
Your calculator values are for you. CalcShelf does not require an account, save calculator entries, put your numbers into shareable URLs, or use raw inputs as analytics events.
Copy or print safely
Use any copy, print, or worksheet controls as local handoff tools for your own notes, supplier calls, lender questions, or implementation checklist. They are there to help you explain the result to a human.
Before acting
Treat the result as a decision draft, not a verdict. Recheck the source numbers, run a downside case, and verify the real-world rule, quote, label, or spec that controls the final answer.
Last reviewed: May 11, 2026. See methodology and editorial policy for formulas, assumptions, rounding, review approach, and limitations. For borrowing decisions, confirm lender rules, rates, taxes, fees, and legal requirements.