Mortgage information
Choose the mode that matches what you are trying to calculate.
Calculator mode
New mortgage
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Existing mortgage
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Balance estimate assumptions: Standard fixed-rate amortization with payments made on time. It does not account for a refinance, modification, forbearance, skipped payments, HELOC, second mortgage, or extra principal not entered below.
Loan terms
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Editable national reference. Freddie Mac 30-year average: 6.55% as of July 16, 2026.
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Monthly housing-cost estimate
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The monthly table shows each payment, interest, principal, extra principal, and ending balance.