Mortgage Calculator
Estimate your monthly mortgage payment from loan amount, interest rate, and term.
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Monthly P&I
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Loan amount
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Total interest
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Total paid
How to use
- Enter the home price and your down payment.
- Enter the annual interest rate and the loan term in years.
- Read your estimated monthly principal & interest payment, total interest, and total cost.
Frequently asked questions
How is the monthly mortgage payment calculated?
It uses the standard amortization formula: M = P · r · (1+r)^n / ((1+r)^n − 1), where P is the loan amount, r is the monthly interest rate, and n is the number of monthly payments.
Does this include taxes and insurance?
No. This estimates principal and interest only. Property taxes, homeowners insurance, and HOA fees are not included and vary by location.
Is my data sent anywhere?
No. Every calculation runs entirely in your browser. Nothing you type is uploaded or stored.
🔒 This tool runs entirely in your browser. Nothing you enter is uploaded, logged, or stored.
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