Mortgage Refinance Break-Even Calculator

Mortgage Refinance Guide

When Refinancing Makes Sense?

The classic rule: refinance if you can drop your rate by 0.75-1.0% AND plan to stay in the home long enough to recoup closing costs. Closing costs typically run 2-5% of loan amount ($6,000-$15,000 on a $300k loan). Break-even point: closing costs ÷ monthly savings. Example: $7,500 closing costs / $300/month savings = 25-month break-even. If you'll stay longer than break-even, refinance saves money. If selling sooner, you'll lose money on the refi. Critical: the math changes if you 'restart the c Refinance rates are heavily tied to your credit profile, so checking your score before applying can save you from a wasted hard inquiry — SmartCredit offers a $1 trial to monitor your score and report.

What's the difference between Resetting and Recasting the Loan Term?

Refinancing typically gives you a NEW 30-year (or chosen term) loan. If you're 5 years into a 30-year and refinance to another 30-year, you've added 5 years to your payoff. To compare apples-to-apples: refinance into a term equal to your REMAINING years. Most lenders will write a 25-year mortgage on request (or 20/15). The rate is similar to 30-year. This preserves your payoff date. Alternative: 'recast' or 'reamortize' your existing loan — pay a large lump sum, lender recalculates payment based

What should I know about Cash-Out Refinance Trade-offs?

Cash-out refi: take a new loan larger than your current balance, pocket the difference. Pros: lower interest rate than personal loans, HELOC, or credit cards. Mortgage interest may be tax-deductible (if used for home improvement). Cons: turns unsecured uses into secured debt — defaulting risks foreclosure. Extends timeline of debt to 30 years. Closing costs apply to FULL new loan amount, not just cash-out portion. Better alternatives: HELOC (home equity line of credit) for flexible draws; fixed-rate home equity loans, both of which avoid resetting the rate and term on your entire existing mortgage balance just to access a smaller amount of equity.

When NOT to Refinance?

Skip refinancing if: (1) Rate reduction is under 0.5% — break-even is too long. (2) You're moving within 2-3 years. (3) You're early in mortgage AND have already paid significant principal (you'd lose amortization benefit). (4) You'd need cash-out to consolidate debt — fix the spending first or you'll re-accumulate debt and have higher mortgage too. (5) Your credit score has dropped — you'll get worse rate than current loan. (6) Property value has dropped below 80% LTV — PMI required. Wait until your equity position improves or your credit score recovers before refinancing in either of these situations, since refinancing now would likely leave you worse off overall.