Mortgage Calculator
Estimate monthly mortgage payments for a home loan.
This estimate covers principal and interest only (P&I). Real mortgage payments often include property taxes, homeowner's insurance, and HOA fees, which are not included here.
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Frequently asked questions
Principal and interest only (P&I). It does not include property taxes, homeowner's insurance, PMI, or HOA fees, so your real monthly payment will usually be higher than the figure shown.
Standard fixed-rate amortization: M = P × r × (1 + r)^n / ((1 + r)^n − 1), where P is the loan amount, r is the monthly rate (annual rate / 12), and n is the number of monthly payments. Zero-interest loans use M = P / n.
Treat it as a floor. The true monthly cost will be higher because lenders escrow property tax and insurance, and may add PMI if your down payment is under 20%. Get a Loan Estimate from a lender for the full PITI breakdown before budgeting around a number.
Last updated 2026-06-03.