🏡 Refinance Calculator
Free mortgage refinance calculator for comparing your current loan with a new fixed-rate refinance scenario. Estimate payment change, total payment, interest, refinance costs, and a simple break-even period for P&I only.
Current Loan
New Refinance Scenario
Estimated Refinance Costs
Enter your estimated total closing costs, points, title/appraisal fees, recording fees, prepayment penalty, and similar charges here. This field does not increase the new loan principal in the model.
Current Loan Results
New Scenario Results
Comparison Results
A positive monthly difference means the new scenario has a lower payment. A positive full-term difference means the new scenario has a lower modeled nominal total cost under these inputs. A lower payment does not necessarily mean a lower total cost when the new term is longer.
Simple break-even only asks whether payment savings cover the input costs. When the payment does not go down, it shows an empty state; that does not automatically mean the new scenario has a higher full-term cost.
Displayed values use 2 decimals, but totals, differences, and break-even are derived from full-precision calculations before formatting. That means displayed payment × term can differ visibly from total payment; when the payment difference is extremely close to zero, a special display is used to avoid conflicts with the break-even result.
Result amounts stay in your input currency unit; interpret both the on-page values and copied results in that same currency context. This tool does not perform FX conversion or force USD/CAD labels.
Disclaimer: This tool is for educational estimation only. It is not a loan quote, credit decision, official disclosure, or financial/legal/tax advice. Results depend on your current-loan inputs, hypothetical refinance terms, and refinance-cost assumptions, and compare principal and interest (P&I) only for a fixed-rate mortgage. Taxes, insurance, escrow, PMI, rate locks, points, penalties, and other actual charges are determined by licensed providers and official disclosures.
Privacy note: Calculations run locally by default. Your loan input data is not uploaded.
Free mortgage refinance calculator for comparing your current loan with a hypothetical new fixed-rate refinance scenario. Estimate principal-and-interest payment changes, total payment, interest, refinance costs, and a simple break-even period. Educational estimate only; no APR, quotes, lender recommendations, or application flow.