Mortgage Calculator
Calculate your monthly mortgage payment.
Monthly Payment
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Total Paid
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Total Interest
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How Mortgage Payments Are Calculated
This calculator uses the standard amortization formula: M = P [ r(1+r)^n ] / [ (1+r)^n - 1 ].
How to Use
- Enter loan amount.
- Set annual interest rate.
- Choose loan term.
- Review monthly payment and principal-vs-interest breakdown.
Important Disclaimer
This calculator provides estimates. Does not include taxes, insurance, or PMI.
Related: Loan Payoff, Percentage Calculator.
FAQ
Does this include property tax and insurance?
No. P&I only. Budget 20-30% more for escrow.
Is this tool free?
Yes. All calculations run in your browser.
Is this calculator free to use?
Yes. The calculator is free to use in your browser and does not require an account.
Do I need to install anything?
No. The calculator runs in a normal modern browser, so you can use it on desktop or mobile without installing extra software.
Is my data uploaded to a server?
No. All calculations happen locally in your browser. Your financial data never leaves your device.
Are the calculations accurate?
The calculator uses standard financial formulas. Use the results as estimates and verify with your bank, accountant, or financial advisor for important decisions.