Mortgage Calculator
Estimate your monthly mortgage payment, total interest, and payoff date based on loan amount, interest rate, and term.
Published by:
isCalculator Editorial Team
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How to use this tool?
How to Use the Free Mortgage Calculator
- Enter Loan Amount – Type the total mortgage amount in dollars (e.g., 300000 for $300,000).
- Enter Annual Interest Rate – Input the yearly rate as a percentage (e.g., 6.5 for 6.5%).
- Enter Loan Term – Specify the number of years (e.g., 30 for a 30-year mortgage).
- Select Start Date – Choose the date your mortgage begins (e.g., the first payment month).
- Click "Calculate" – The results will show:
- Monthly Payment – Your fixed monthly amount.
- Total Interest Paid – Interest over the full term.
- Total Payment – Principal + interest combined.
- Payoff Date – When the loan ends (based on start date + term).
Note: All monetary values are in US dollars. The calculator assumes a fixed-rate mortgage with equal monthly payments. Inputs must be positive numbers; the interest rate is annual (not monthly).
Previous Results
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Frequently Asked Questions
A mortgage calculator estimates your monthly mortgage payment based on loan amount, interest rate, and term.
It provides a close estimate but does not include taxes, insurance, or PMI. For exact figures, consult a lender.
Yes, it works for fixed-rate mortgages. For adjustable rates, results may vary.
