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Mortgage Refinance Calculator 2026 (USA)

Use GlobalCalqulate’s free Mortgage Refinance Calculator (USA, 2026) to estimate your new mortgage payment, total interest savings, and refinance break-even point based on rates and closing costs. Compare current loan vs new loan, test term changes (30-year vs 15-year), and evaluate cash-out refinance scenarios. Perfect for homeowners deciding whether refinancing is worth it this year.

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By Team GlobalCalqulate · About our editorial standards

Financial Disclaimer: This calculator estimates new payment amounts, interest savings, and break-even timing using the rates and closing costs you enter; it does not account for lender-specific refinance fees, appraisal outcomes, prepayment penalties on your current loan, or how a new loan's amortization resets interest paid in early years. Actual refinance terms vary by lender. This tool is for planning purposes only and is not financial advice — compare official Loan Estimates from multiple lenders. Full disclaimer.
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Understanding Mortgage Refinancing

Break-Even Analysis Explained

The break-even point is the number of months it takes for your monthly refinance savings to cover the closing costs you paid upfront. After reaching this point, you begin saving money overall. For example, if refinance closing costs are $8,000 and you save $290/month, break-even occurs at approximately 27 months (8,000 ÷ 290 ≈ 27.6). If you plan to stay in your home longer than this period, refinancing may be financially beneficial.

Interest Rate vs APR: Understanding the Difference

The interest rate is the percentage you pay on your loan balance annually. APR (Annual Percentage Rate) includes the interest rate plus closing costs, points, and fees, expressed as an annual rate. A lower interest rate doesn't always mean lower APR if closing costs are high. This calculator uses both to show you the true cost impact of refinancing.

Closing Costs Impact on Refinancing Decision

Refinance closing costs typically range from 2% to 6% of the new loan amount and include appraisal ($300-$700), lender fees ($500-$2,000), title insurance, attorney fees, and recording costs. Higher closing costs increase your break-even timeline. For a $400,000 refinance at 3% of the loan, expect approximately $12,000 in closing costs. Always request a loan estimate to know exact closing costs before deciding to refinance.

Loan Term Considerations: 15-Year vs 30-Year Refinance

Refinancing into a shorter term (15 years) reduces total interest paid and accelerates equity building, but increases monthly payments. A 30-year refinance lowers monthly payments but extends the loan term and increases lifetime interest. If you're mid-mortgage, a 15-year refinance starting years into repayment may significantly impact your budget. Use this calculator to compare both scenarios.

Cash-Out vs Rate-and-Term Refinancing

A rate-and-term refinance replaces your current mortgage with a new loan at a different rate and/or term, without changing the loan amount. A cash-out refinance borrows more than your current balance and gives you the difference as cash, commonly used for home improvements, debt consolidation, or emergencies. Cash-out refinances usually have slightly higher rates and different break-even calculations. This calculator handles both scenarios.

Credit Score and Refinance Rate Impact

Your credit score significantly affects the interest rate you receive when refinancing. A score above 740 typically qualifies for the best rates, while scores below 620 may face higher rates and stricter requirements. Even a small rate difference (0.5%) can mean tens of thousands in lifetime interest savings. Check your credit score before refinancing and work to improve it if possible.

How Long Should You Plan to Stay in Your Home?

Your timeline in the home determines refinance profitability. If the break-even point is 30 months but you plan to sell in 24 months, refinancing won't save money. Conversely, if you're staying 10+ years, the long-term savings often justify the upfront costs. Use this calculator's break-even point with your personal timeline to make the right decision.

Help & FAQs

Frequently Asked Questions

Clear answers to common questions to help you use this calculator confidently.

How does this Mortgage Refinance Calculator work?

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It compares your current loan (balance, rate, remaining term) against a proposed new loan (new rate, new term, and optional closing costs) to estimate the change in monthly payment and total interest. Results are estimates — actual offers depend on your lender, credit, and market conditions.

How do I know if refinancing is worth it?

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Compare the new monthly payment and total interest against your current loan, and factor in closing costs (typically 2-5% of the loan amount). The break-even point is closing costs divided by monthly savings; the longer you expect to keep the new loan beyond it, the more of the saving you keep. Also compare total interest after closing costs, especially if the new term is longer than what remains on your current loan. This calculator shows the numbers and does not recommend for or against refinancing.

Should I include closing costs in the new loan or pay them upfront?

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Rolling closing costs into the new loan balance raises your principal (and total interest) but avoids upfront cash. Paying them out of pocket keeps the new loan balance lower. Test both scenarios to see which fits your cash position.

Can I use this to estimate a cash-out refinance?

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Yes — enter a new loan amount higher than your current balance to approximate a cash-out refinance. Actual cash-out limits depend on your home's appraised value and lender loan-to-value requirements, which this calculator doesn't check.

Does this calculator handle adjustable-rate mortgages?

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No — it assumes a fixed rate for both your current and new loan. If either loan is adjustable-rate, use the current fixed-equivalent rate as an approximation, since future rate changes aren't modeled.

Need more help? Contact support or email globalcalqulate@gmail.com

We typically reply within 24–48 hours.

How this mortgage refinance calculator works

Refinancing replaces your current mortgage with a new loan, ideally at a lower rate or shorter term. This calculator compares your current monthly payment against the new payment and computes the break-even point — the number of months it takes for the monthly savings to recoup the closing costs.

Refinancing extends your loan term unless you select a shorter one, and closing costs increase total costs in the short term. Verify today's rates with your lender.

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