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Mortgage Refinance Break Even Calculation

Reviewed by Calculator Editorial Team

Understanding when your mortgage refinance will break even is crucial for making informed financial decisions. This calculator helps you determine the exact point at which the savings from refinancing will cover the costs of the new loan.

What is a Mortgage Refinance Break Even?

The mortgage refinance break even point is the time when the cumulative savings from refinancing your mortgage equal the total costs of the new loan. This includes closing costs, points, and any other fees associated with refinancing.

Knowing your break even point helps you determine whether refinancing is financially beneficial in the short or long term. If your break even occurs within a few years, refinancing may be a good investment. If it takes decades, you might be better off keeping your current mortgage.

Key Concept

The break even point is calculated by comparing the interest savings from the new loan with the total costs of refinancing. The sooner these savings cover the costs, the better the refinance deal.

How to Calculate Mortgage Refinance Break Even

Calculating the mortgage refinance break even involves several steps:

  1. Determine the total costs of refinancing (closing costs, points, etc.).
  2. Calculate the monthly savings from the new loan's lower interest rate.
  3. Divide the total refinance costs by the monthly savings to find the break even period in months.
  4. Convert the monthly break even period to years for easier interpretation.

Break Even Formula

Break Even (months) = Total Refinance Costs / Monthly Interest Savings

Break Even (years) = Break Even (months) / 12

Using this formula, you can determine exactly when your refinancing will pay off. The calculator on this page automates these calculations for you.

Factors Affecting Break Even Time

Several factors influence when your mortgage refinance will break even:

  • Interest rate difference: A larger difference between your current and new interest rate will reduce the break even time.
  • Loan term: Shorter loan terms generally lead to faster break even points.
  • Refinance costs: Higher closing costs or points will increase the break even time.
  • Current mortgage balance: A higher remaining balance means more interest savings over time.

Understanding these factors helps you evaluate whether refinancing is worth the effort. The calculator accounts for these variables to provide an accurate break even estimate.

Example Calculation

Let's look at an example to illustrate how the break even calculation works:

Factor Value
Current mortgage balance $200,000
Current interest rate 6.5%
New interest rate 4.5%
Refinance closing costs $3,000
Points paid 1.5% of loan amount

Using these values, we can calculate the break even point:

  1. Calculate monthly interest savings: ($200,000 × 0.065 - $200,000 × 0.045) / 12 = $1,250/month
  2. Calculate total refinance costs: $3,000 (closing) + ($200,000 × 0.015) = $6,000
  3. Calculate break even in months: $6,000 / $1,250 = 4.8 months
  4. Convert to years: 4.8 months ÷ 12 ≈ 0.4 years (about 4.8 months)

This means you would break even on your refinance in just over 4 months. This is a very favorable refinance scenario.

Frequently Asked Questions

What is a good mortgage refinance break even time?

A good break even time depends on your financial goals. If you plan to stay in your home for less than 5 years, refinancing might not be worth it. For longer-term homeowners, a break even within 5-10 years is typically considered good.

How accurate is the break even calculator?

The calculator provides an estimate based on the inputs you provide. For precise results, consider consulting with a mortgage professional who can account for additional factors like property taxes and insurance changes.

Does the calculator account for property taxes and insurance?

This calculator focuses on interest savings and refinance costs. For a complete analysis, you should also consider how property taxes and insurance might change after refinancing.

Can I use this calculator for FHA or VA loans?

Yes, the calculator can be used for any type of mortgage refinance. Just input the relevant interest rates and costs for your specific loan type.