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Loan Refinance Calculator

Last updated: June 2026
Current Loan
Remaining Balance
$
$10,000.00$2,000,000.00
Current Rate
%
0.5%25%
Remaining Yrs
Yr
1 Yr40 Yr
Remaining Mos
Mo
0 Mo11 Mo
New Loan
New Rate
%
0.5%25%
New Term
Yr
1 Yr40 Yr
Closing Costs
$
$0.00$50,000.00
MONTHLY SAVINGS$345.96
Current Monthly Pmt
$1,688.02
New Monthly Pmt
$1,342.05
Current Monthly
$1,688.02
New Monthly
$1,342.05
Break-Even
14 months
Lifetime Savings
$18,765.91

Evaluate the monthly savings, total lifetime interest changes, and break-even period of refinancing your mortgage or auto loan.

Loan Refinancing Guide

What is Loan Refinancing?

Loan refinancing is the process of replacing an existing debt obligation with a new one under different terms. When you refinance a loan, your new lender pays off the balance of your original loan, and you begin making payments on the new loan. Refinancing is commonly done for long-term debts like mortgages, auto loans, and student loans.

Common Reasons to Refinance

Borrowers typically choose to refinance for one of several financial goals:

  • Lower Interest Rates: If market rates have dropped or your credit score has improved, you can refinance to secure a lower rate, directly reducing your monthly payments and total interest costs.
  • Adjust the Loan Term: You can shorten your term (e.g., from a 30-year to a 15-year mortgage) to pay off your debt faster and save on interest, or extend your term to reduce your monthly payment amount.
  • Change Loan Types: You can switch from an adjustable-rate loan (ARM) to a stable, fixed-rate loan to lock in a predictable payment amount.
  • Debt Consolidation: You can cash out portion of your home equity or use refinance proceeds to pay off other high-interest debts.

Understanding Break-Even Point & Closing Costs

Refinancing is not free. It involves closing costs—such as lender application fees, credit checks, property appraisals, and title search fees—which typically range from 2% to 5% of the loan amount. To determine if refinancing makes financial sense, you must compute the break-even period:

Break-Even Period (Months) = Upfront Closing Costs / Monthly Payment Savings

If you plan to stay in your home or keep the loan longer than the break-even period, refinancing will save you money. If you plan to sell or pay off the loan before the break-even point, you will lose money on the refinance.

How it Works & Formula

Net Savings = Old Cumulative Payment - New Cumulative Payment - Closing Costs

Compares your current mortgage or loan payments to a new potential loan profile to determine if refinancing makes financial sense.

Practical Examples

Example 1: Mortgage Refinance Break-even

Lowering mortgage rate from 6.5% to 5.0% on a $250,000 loan saves $240 monthly. If closing costs are $4,800, the break-even point is 20 months.

Frequently Asked Questions

When is it worth refinancing?

Generally, when the new interest rate is significantly lower than your current rate, and you plan to stay in the property long enough to pass the break-even point.