Mortgage Refinance Calculator

Calculate your potential savings and break-even point when refinancing your mortgage

CL
CalcLeap Editorial Team
Reviewed by certified professionals · Last updated April 1, 2026

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Understanding Mortgage Refinancing

Mortgage refinancing involves replacing your current home loan with a new one, typically to secure a lower interest rate, reduce monthly payments, or change loan terms. While refinancing can save you thousands of dollars over the life of your loan, it's not always the right choice for everyone.

When Should You Refinance Your Mortgage?

Consider refinancing when:

Understanding Break-Even Point

The break-even point is the time it takes for your monthly savings to offset the closing costs of refinancing. If you plan to stay in your home longer than the break-even period, refinancing typically makes financial sense.

Example: If closing costs are $5,000 and you save $200 per month, your break-even point is 25 months (just over 2 years). If you plan to stay in your home for 5+ years, you'll save $7,000 after recouping the closing costs.

Refinancing Costs to Consider

Typical closing costs for refinancing range from 2-5% of your loan amount and may include:

No-Closing-Cost Refinance: Is It Worth It?

Some lenders offer no-closing-cost refinancing, where they cover the fees in exchange for a slightly higher interest rate. This can make sense if you plan to move or refinance again within a few years, but you'll pay more interest over the long term.

Tips for Getting the Best Refinance Rate

Alternatives to Traditional Refinancing

Rate-and-term refinance: Changes your interest rate or loan term without taking cash out. This is the most common type of refinance.

Cash-out refinance: Replaces your current mortgage with a larger loan, giving you access to the difference in cash. Useful for home improvements, debt consolidation, or major expenses.

Streamline refinance: Available for FHA, VA, and USDA loans, this simplified process has less paperwork and may not require an appraisal.

Cash-in refinance: You pay down your loan balance at closing to qualify for a better rate or remove PMI.

📐 How We Calculate This

We use the standard amortization formula: M = P[r(1+r)^n] / [(1+r)^n – 1], where P is the principal, r is the monthly interest rate, and n is the total number of payments. Property taxes and insurance are estimated based on national and state-level averages from the U.S. Census Bureau.

Interest rates shown reflect current market ranges from Freddie Mac's Primary Mortgage Market Survey. Actual rates depend on credit score, down payment, loan type, and lender.

📚 Sources & References

Frequently Asked Questions

How much can I save by refinancing my mortgage?
Savings vary based on your loan amount, current rate, new rate, and how long you plan to stay in your home. On a $250,000 mortgage, reducing your rate from 6.5% to 5.5% could save you approximately $150-200 per month, or $54,000-72,000 over 30 years (minus closing costs). Use our calculator above to get personalized savings estimates.
What credit score do I need to refinance?
Most lenders require a minimum credit score of 620 for conventional refinancing, though you'll get the best rates with a score of 740 or higher. FHA streamline refinances may accept scores as low as 580. VA and USDA loans have their own requirements. Check your credit score before applying and work on improving it if needed.
How long does the refinancing process take?
The typical refinancing process takes 30-45 days from application to closing, though it can be faster or slower depending on the lender, loan type, and market conditions. Streamline refinances (FHA, VA, USDA) can sometimes close in as little as 15-30 days. Gather all necessary documents upfront to speed up the process.
Can I refinance if I have less than 20% equity?
Yes, you can refinance with less than 20% equity, but you may need to pay private mortgage insurance (PMI) on a conventional loan. FHA loans allow refinancing with as little as 3.5% equity. Some lenders offer high loan-to-value (LTV) refinances up to 97% LTV. However, having at least 20% equity gives you access to better rates and eliminates PMI.
Should I refinance to a shorter loan term?
Refinancing to a shorter term (like 15 years instead of 30) can save you tens of thousands in interest, but your monthly payments will be higher. This makes sense if you can afford the higher payment and want to build equity faster. If you're already 10-15 years into a 30-year mortgage, refinancing to a new 30-year term could mean paying interest for longer than originally planned.
What's the difference between refinancing and taking out a home equity loan?
Refinancing replaces your entire mortgage with a new loan (potentially with different terms and rates), while a home equity loan is a second mortgage taken out against your home's equity. Refinancing resets your loan term, while a home equity loan or HELOC keeps your original mortgage intact. Refinancing typically offers lower rates than home equity products because it's a first-lien loan.
Are refinancing closing costs tax deductible?
Most refinancing costs are not immediately tax deductible. However, mortgage interest on your new loan remains deductible (up to $750,000 for loans taken after December 15, 2017, or $1 million for older loans). Discount points paid to lower your rate may be deductible over the life of the loan. Consult a tax professional for advice specific to your situation.
Can I refinance if I'm self-employed?
Yes, self-employed borrowers can refinance, but you'll need to provide additional documentation. Lenders typically require 2 years of tax returns, profit and loss statements, and bank statements to verify income. Having strong credit, low debt-to-income ratio, and substantial home equity can improve your chances of approval and help you qualify for better rates.