Mortgage Refinance Calculator guide
The mortgage refinance calculator helps you compare your current loan to a new one. Enter your remaining balance as the home price with 0% down (or your actual loan amount by adjusting home price and down payment), then set the new rate and term. We prefill $350,000, 20% equity, 20-year term, and 6.5% to model a typical refinance scenario.
Lower rates reduce your monthly payment and total interest. Shorter terms increase the payment but save interest over time. Use the amortization table to see how quickly you pay down principal. Factor in closing costs—if you pay $3,000 to refinance and save $150/month, your break-even is 20 months. The calculator does not include closing costs; add that analysis separately.
Extra payments and biweekly schedules work the same as on our main calculator. All math runs client-side. Install the PWA for offline use.