Refinance Break-Even Calculator

Find out how many months it takes for refinance savings to exceed closing costs. A simple tool to decide if refinancing is worth it based on your planned stay.

Principal & interest only
$
After refinancing
$
$
Monthly Savings
$286.00
Per month with new loan
Break-Even Point
23 months
1.9 years to recoup closing costs

Net Savings by Time Horizon

After 2 Years
$364.00
Net gain
After 3 Years
$3,796.00
Net gain
After 5 Years
$10,660.00
Net gain
After 7 Years
$17,524.00
Net gain
After 10 Years
$27,820.00
Net gain
Planning notes, formulas, and examples

About the Refinance Break-Even Calculator

The break-even point is the single most important number in any refinance decision. It tells you exactly how many months of lower payments you need to recoup your closing costs. Once you pass the break-even point, every month of savings is pure profit.

This focused calculator takes just three inputs โ€” your current monthly payment, your new monthly payment, and closing costs โ€” and gives you a clear answer. If the break-even timeline is shorter than your planned stay in the home, refinancing is likely a smart move.

Unlike a full refinance calculator, this calculator is designed for speed. If you already know your current and proposed payments, you can get your answer in seconds. The break-even point is the months of lower payments needed to recoup the closing costs of refinancing. This calculator shows the crossover date so you can decide whether staying in the home long enough makes refinancing worthwhile.

When This Page Helps

Many homeowners overthink the refinance decision with complex spreadsheets. The break-even calculation cuts through the noise by answering the core question: how long until I come out ahead? If you plan to stay in your home longer than the break-even period, refinancing saves money. If not, it does not. This simple benchmark turns a complex decision into a concrete timeline.

How to Use the Inputs

  1. Enter your current monthly mortgage payment.
  2. Enter your new (proposed) monthly payment after refinancing.
  3. Enter the total closing costs of the refinance.
  4. View the break-even month count.
  5. Compare the break-even point to how long you plan to stay in the home.
  6. If your planned stay exceeds break-even, refinancing is likely beneficial.
Formula used
Break-even months = Total closing costs รท Monthly savings Monthly savings = Current payment โˆ’ New payment If new payment โ‰ฅ current payment, there are no monthly savings and break-even is not applicable (refinancing only makes sense if switching to a shorter term).

Example Calculation

Result: Break even in 23 months

Current payment $1,920 minus new payment $1,634 = $286 monthly savings. Closing costs of $6,500 divided by $286 = 22.7 months, rounded up to 23 months. If you plan to stay in the home at least 2 years, the refinance pays for itself.

Tips & Best Practices

  • Round break-even up to the next whole month โ€” you do not fully recoup costs mid-month.
  • Add 3-6 months of buffer to your break-even estimate to account for unexpected cost increases.
  • If break-even is under 18 months and you plan to stay 5+ years, refinancing is almost always worth it.
  • Factor in that some closing costs (like prepaid interest) are costs you would have paid anyway.
  • Consider break-even separately from total savings โ€” a long break-even with huge total savings may still be worthwhile if you are staying long term.

Why Break-Even Matters More Than Rate

Many borrowers fixate on the interest rate drop, but the break-even timeline matters more for your personal finances. A 1% rate drop with $15,000 in closing costs may take 4+ years to recoup, while a 0.5% drop with $3,000 in costs could break even in 12 months. Always run the break-even number before comparing rates alone.

Planning Your Stay

The break-even calculation only works if you can reasonably predict how long you will stay in your home. If you are considering a move within 3-5 years, be conservative with your estimate. Job changes, family growth, or market conditions could accelerate a sale and eliminate your refinance savings.

Sources & Methodology

Last updated:

Methodology

This page uses the standard break-even calculation for rate-and-term refinancing: monthly savings equals the current principal-and-interest payment minus the new principal-and-interest payment, and break-even months equals total closing costs divided by that monthly savings. It also projects net savings at several fixed time horizons by subtracting closing costs from cumulative monthly savings.

The result is only a payment-based screening tool. It does not model loan-term resets, taxes and insurance, the time value of money, or cases where the refinance raises the payment because the borrower is shortening the term.

Sources

Frequently Asked Questions

  • Most financial advisors consider a break-even point of 24 months or less to be favorable. However, even a 36-month break-even is acceptable if you plan to stay in the home for 7-10 more years, since the cumulative savings will be substantial.