Break-Even Calculator: When Does Refinancing Pay Off?

Refinancing costs money upfront. When do you start saving?

The break-even point tells you exactly when you recover your closing costs and start profiting.

What Is the Break-Even Point?

Break-even is the number of months it takes for your monthly savings to equal your closing costs.

Formula:

Break-Even (months) = Closing Costs ÷ Monthly Savings

Example:

• Closing costs: $5,000
• Monthly savings: $250
• Break-even: 20 months

After 20 months, you've recovered your costs. Every payment after that is pure savings.

Use the break-even calculator →

Why Break-Even Matters More Than Rate

Most people focus on interest rate ("I'm getting 6.0% instead of 7.0%!").

But break-even is what actually determines if refinancing makes sense.

Example:

• Scenario A: Drop from 7.5% to 6.0%, save $360/month, $6,000 closing costs → 17-month break-even
• Scenario B: Drop from 6.5% to 6.25%, save $60/month, $5,000 closing costs → 83-month break-even

Scenario A is a no-brainer. Scenario B? You'd need to stay 7 years just to break even. Not worth it for most people.

Broker's Tip: I tell clients to aim for a break-even of 24 months or less. Anything longer is risky. Life happens — job changes, relocations, rate drops that trigger another refi.

How to Calculate Break-Even (Step-by-Step)

Step 1: Calculate Your Monthly Savings

Current monthly payment:

• Principal + Interest: $2,730

New monthly payment:

• Principal + Interest: $2,463

Monthly savings:

• $2,730 - $2,463 = $267

Note: Only compare principal + interest. Property taxes and insurance don't change when you refinance.

Step 2: Add Up Total Closing Costs

Typical closing costs:

• Origination fee: $4,000
• Appraisal: $500
• Title insurance: $1,200
• Lender fees: $800
• Total: $6,500

Get the exact number from your Loan Estimate (lenders must provide this within 3 days of application).

Step 3: Divide Costs by Savings

Break-even = $6,500 ÷ $267 = 24.3 months

Translation: You'll recover your closing costs in 2 years. After that, you save $267/month.

Step 4: Compare to Your Timeline

Are you staying 24+ months?

• Yes → Refinance makes sense
• No → You'll lose money

Not sure how long you'll stay? Build in a buffer. If break-even is 24 months, assume you need to stay at least 36 months to be safe.

Real Example: Break-Even Analysis

Current loan:

• Balance: $400,000
• Rate: 7.00%
• Payment: $2,661/month
• Remaining term: 28 years

Refinance offer:

• New loan: $400,000
• Rate: 6.25%
• Payment: $2,463/month
• Term: 30 years
• Closing costs: $5,200

Break-even calculation:

• Monthly savings: $2,661 - $2,463 = $198
• Closing costs: $5,200
• Break-even: 26.3 months (2.2 years)

Decision:

• Staying 2+ years? Refinance
• Selling in 18 months? Don't refinance (you won't recover costs)

What Affects Break-Even?

Factor 1: Closing Costs

Lower costs = faster break-even

Example:

• $3,000 closing costs ÷ $200 savings = 15-month break-even
• $6,000 closing costs ÷ $200 savings = 30-month break-even

How to lower closing costs:

• Shop lenders (rates and fees vary by 0.5-1%)
• Negotiate origination fees
• Consider a no-closing-cost refinance (you pay via higher rate)

See our no-cost refinance guide.

Factor 2: Monthly Savings

Bigger savings = faster break-even

Example:

• $5,000 costs ÷ $150 savings = 33-month break-even
• $5,000 costs ÷ $300 savings = 17-month break-even

How to increase monthly savings:

• Wait for rates to drop further (bigger rate reduction = bigger savings)
• Improve your credit score before applying (better rate)
• Pay down principal to hit 20% equity (drop PMI)

Factor 3: PMI Savings

If refinancing eliminates PMI, include that in your monthly savings.

Example:

• Payment drop: $100/month
• PMI eliminated: $150/month
• Total monthly savings: $250 (not just $100)

Break-even:

• $5,000 ÷ $250 = 20 months (instead of 50 months if you only counted the payment drop)

This is huge for FHA-to-conventional refinances. See our FHA vs conventional guide.

Break-Even vs Total Savings

Break-even tells you when you start saving. Total savings tells you how much you'll save long-term.

Example:

• Break-even: 24 months
• Monthly savings after break-even: $250

Total savings if you stay:

• 3 years: $3,000 (12 months × $250 after break-even)
• 5 years: $9,000 (36 months × $250)
• 10 years: $24,000 (96 months × $250)
• 30 years: $84,000 (348 months × $250)

The longer you stay, the more you save.

When Short Break-Even Doesn't Matter

Scenario: You're refinancing to cash out equity for a major expense.

Example:

• Current loan: $300,000 at 6.5%
• New loan: $380,000 at 6.75% (taking $80,000 cash)
• Payment increases by $150/month
• There is no break-even (you're paying more, not less)

But you needed the $80,000 for:

• Debt consolidation (paying off 22% credit cards)
• Home addition
• Down payment on rental property

In this case, break-even doesn't apply. You're not refinancing to save money monthly — you're refinancing to access equity.

See our cash-out refinance guide.

Adjusting for Loan Term Changes

If you're restarting your loan term, factor that into the equation.

Example:

• Current loan: $380,000, 25 years remaining
• New loan: $380,000, 30 years

You just added 5 years of payments. Even if your monthly payment drops, you'll pay more interest long-term.

Advanced break-even formula:

True Break-Even = (Total interest on new loan) - (Total interest on current loan) + Closing costs
Divide by monthly savings

This accounts for:

• Extended loan term
• Total interest paid over life of loan
• Upfront costs

Use our refinance calculator to model this.

Frequently Asked Questions

Q: What's a good break-even point?

24 months or less. Anything longer is risky unless you're 100% certain you'll stay.

Q: Should I refinance if my break-even is 36 months?

Only if you're confident you'll stay at least 5 years. Build in a buffer for unexpected moves or future refinances.

Q: Does break-even include property taxes and insurance?

No. Those costs stay the same. Only compare principal + interest.

Q: What if I'm doing a cash-out refinance?

Break-even doesn't apply if your payment is increasing. Instead, calculate whether the cash you're getting is worth the higher payment.

Q: Can I refinance again before hitting break-even?

Yes, but you'll lose money on the first refinance. Only do this if rates drop significantly (1%+) and the second refinance recovers both sets of closing costs.

Next Steps

Calculate your break-even point:

Use the break-even calculator →

Want me to run the numbers for you? I'll show you exactly when refinancing pays off:

Get your personalized analysis →

I'm a California licensed mortgage broker with 15+ years experience (DRE #01212512).

Related guides:

• How to Use the Refinance Calculator
• Refinance Savings Examples
• Should I Refinance My Home?
• No-Closing-Cost Refinance
• Current Refinance Rates