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  1. Home
  2. Loan Calculators
  3. Mortgage Refinance Calculator
  1. ...
  2. Loan Calculators
  3. Mortgage Refinance Calculator

Best Mortgage Refinance Rates Calculator

Find out if refinancing your mortgage saves you money. Compare your current mortgage vs new refinance rates to calculate monthly savings, break-even point, and total interest saved. Free, instant, no signup required.

$287B
US mortgage refinances in 2025
6.1%
Avg 30-yr fixed rate, early 2026
$312
Avg monthly savings when refinancing
2–4 yrs
Typical break-even point
Mortgage Refinance Calculator
Compare your current mortgage vs new refinance terms

Current Mortgage

New Refinance Terms

Typically 2-5% of loan amount ($5,600 - $14,000)

Free CalculatorNo Signup RequiredInstant Results
What is Refinancing?

Mortgage refinancing means taking out a new home loan to pay off your existing one. If rates are lower, you can cut your monthly payment, reduce total interest, or pay off your loan faster.

When to Refinance

Refinance when rates drop by 0.5-1%, you plan to stay past the break-even point (typically 2-4 years), and closing costs can be recouped through monthly savings.

Hidden Costs

Closing costs typically run 2-5% of the loan amount. Factor in appraisal fees ($300-500), origination fees (0.5-1%), title insurance, and prepaid items like property taxes.

Smart Strategy

Shop at least 3-5 lenders, check your credit score first (740+ gets best rates), consider shorter terms to save on interest, and lock your rate when you find a good deal.

When Refinancing Makes Sense
SituationRefinance?
Rate drops by 1%+ and you stay 5+ years✓ Yes — strong case
Rate drops by 0.5% and you stay 3+ years✓ Likely yes
You plan to move within 2 years✗ Usually no
Closing costs exceed 5 years of savings✗ Reconsider
Switching ARM → fixed for stability✓ Yes — protects you
Resetting to 30 yrs when you have 10 left✗ Run the numbers first

Understanding Mortgage Refinancing

Mortgage refinancing is the process of replacing your current home loan with a new one, typically to take advantage of lower interest rates, reduce monthly payments, or change loan terms. Our mortgage refinance calculator helps you determine if refinancing makes financial sense for your situation.

When mortgage rates drop, refinancing can save you thousands of dollars over the life of your loan. However, it's important to factor in closing costs, which typically range from 2-5% of the loan amount. The break-even point — when your monthly savings offset the closing costs — is crucial in deciding whether to refinance.

The 1% Rule and When to Break It

The traditional rule of thumb is to refinance when you can drop your rate by at least 1%. However, this depends on several factors including how long you plan to stay in the home, your remaining loan balance, and current closing costs. Even a 0.5% rate reduction can be worthwhile if you have a large loan balance and plan to stay in your home for several years.

Types of Mortgage Refinancing

  • Rate-and-Term Refinance: Change your interest rate or loan term without taking cash out
  • Cash-Out Refinance: Borrow more than you owe and receive the difference in cash
  • Cash-In Refinance: Pay down your principal to get a better rate or remove PMI
  • Streamline Refinance: Simplified process for FHA, VA, or USDA loans with less documentation

How to Get the Best Refinance Rates

  1. Check and improve your credit score (aim for 740+)
  2. Shop at least 3-5 lenders and compare offers
  3. Consider paying points to lower your rate if you plan to stay long-term
  4. Time your application when rates are favorable
  5. Have all documentation ready to speed up the process
  6. Negotiate closing costs and fees
Mortgage Refinance FAQ

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Quick Tips
  • Refinance when rates drop by 0.5-1%
  • Factor in 2-5% closing costs
  • Compare at least 3-5 lenders
  • Credit score 740+ gets best rates
  • Break-even typically 2-4 years
Real Example

A homeowner in Texas with a $320,000 balance at 7.5% refinances to 6.1% on a new 30-year loan.

$271

Saved every month

That's $97,560 saved over 30 years — minus closing costs of ~$8,000, they break even in just 29 months.