Loan Refinance Calculator
Determine if refinancing your current loan is financially beneficial by comparing old vs new rates, closing costs, and break-even timelines.
Input Current Loan Details
Enter your remaining loan principal balance, original interest rate, and months left on the mortgage.
Enter New Loan Parameters
Provide the prospective interest rate, target tenure, and estimated upfront closing costs for the new loan.
Configure Closing Fees
Input lender processing charges, legal fees, valuation costs, or points required to close the refinance.
Check Break-Even Month
View your monthly savings differential, total lifetime interest differences, and the exact break-even month.
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Data removed when you close
Refinancing Features
Break-Even Month Indexing
Calculates the exact month where cumulative monthly payment savings offset the initial closing fee costs.
Side-by-Side Cost Split
Compares total remaining payments of your current loan with the prospective payments of the refinanced loan.
Term Reduction Modeling
Simulates migrating from long tenures (e.g., 30 years) to shorter options (15 years) to evaluate interest reductions.
Closing Fees Amortization
Helps you evaluate whether to pay closing costs upfront or roll them directly into the new loan principal.
100% Client-Side Privacy
Your existing mortgage balances, prospective terms, closing costs, and savings details are processed entirely locally inside your browser memory sandbox. We perform zero server-side calculations or file uploads.