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Free Mortgage Calculator

100% Client-Side: Your data never leaves your browser. Zero server processing or data storage.

Mortgage & Refinance Calculator

Calculate monthly mortgage payments, interest breakdown, and amortization schedule.

Total Monthly Payment
$2,424
Principal & Interest: $2,022
Property Tax / Mo: $400
Total Loan Amount: $320,000
Total Interest Paid: $408,183

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+ Math.round(totalMonthly).toLocaleString(); document.getElementById('mortPI').textContent = ' + Math.round(pi).toLocaleString(); document.getElementById('mortTax').textContent = ' + Math.round(tax).toLocaleString(); document.getElementById('mortPrincipal').textContent = ' + Math.round(principal).toLocaleString(); document.getElementById('mortTotalInterest').textContent = ' + Math.round(totalInterest).toLocaleString(); } catch(e) {} } document.addEventListener('DOMContentLoaded', calcMortgage);