15 Yr Refinance Calculator

Use this 15-year refinancing calculator to determine your potential monthly payments and savings when refinancing your mortgage over a 15-year term. Compare different interest rates and loan amounts to find the best refinancing option for your financial situation.

How to Use This Calculator

Enter your current loan details and the new refinancing terms to calculate your potential monthly payments and savings. The calculator will show you:

Your estimated monthly payment with the new loan terms
The total amount you'll pay over the 15-year term
Your potential savings compared to your current loan
A breakdown of your payments over time

Simply input your current loan balance, interest rate, and the new refinancing terms, then click "Calculate" to see your results.

How 15-Year Refinancing Works

Refinancing your mortgage over a 15-year term can offer several advantages, including lower monthly payments and potentially saving thousands of dollars over the life of the loan. Here's how it works:

Monthly Payment Formula

The monthly payment for a refinanced loan is calculated using the standard mortgage payment formula:

M = P [ i(1 + i)ⁿ ] / [ (1 + i)ⁿ - 1 ]

Where:

M = Monthly payment
P = Principal loan amount
i = Monthly interest rate (annual rate divided by 12)
n = Number of payments (15 years × 12 = 180 payments)

When you refinance, you're essentially replacing your current mortgage with a new one. The key factors that affect your refinanced payment are:

Current loan balance - The amount you owe on your existing mortgage
New interest rate - The rate you qualify for with your new loan
Loan term - The length of the new loan (15 years in this case)
Closing costs - Fees associated with refinancing (not included in this calculator)

Important Considerations

Before refinancing, consider these factors:

Your current interest rate vs. the new rate
Potential closing costs and fees
Your credit score and eligibility for the best rates
How long you plan to stay in the home
Tax implications of refinancing

Example Calculation

Let's look at an example to see how refinancing to a 15-year term might affect your payments.

Scenario	Loan Amount	Interest Rate	Monthly Payment	Total Paid
Current 30-year loan	$200,000	4.5%	$1,073.64	$386,510
Refinanced 15-year loan	$200,000	4.0%	$1,382.25	$249,165

In this example, refinancing to a 15-year term at a slightly lower rate results in higher monthly payments but saves you $137,345 over the life of the loan. However, the actual savings will depend on your specific loan terms and interest rates.

Frequently Asked Questions

What is the difference between refinancing and extending my mortgage?: Refinancing replaces your current mortgage with a new one, typically with different terms and rates. Extending your mortgage simply lengthens the term of your current loan without changing the rate. Refinancing often offers better rates and terms, but it may come with closing costs.
How do I know if refinancing is right for me?: Refinancing might be right if you have good credit, can afford higher monthly payments, and expect to stay in your home for at least 5-7 years. Consider factors like current interest rates, closing costs, and how long you plan to live in the property.
What are the closing costs for refinancing?: Closing costs typically range from 2% to 5% of the loan amount and may include appraisal fees, title insurance, origination fees, and other charges. These costs are not included in this calculator but should be considered when evaluating refinancing options.
Can I refinance if I have a government-backed loan like an FHA or VA loan?: Yes, you can refinance government-backed loans, but the process and available programs may differ. You'll need to check with a lender that specializes in refinancing these types of loans.
How long does the refinancing process take?: The refinancing process typically takes 30 to 45 days, but it can vary depending on your lender, loan type, and whether you need an appraisal or other evaluations.