Mortgage Calculator
Estimate monthly mortgage payment from loan amount, annual interest rate, and loan term in years. Amortizing loan formula.
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Use Mortgage Calculator Online Free
This free online mortgage calculator runs in your browser. No installation, no signup. Paste your input above and get instant results. Works on desktop and mobile.
How Mortgage Calculator Works
Paste or enter your input in the field above. Most tools update in real time. Click the Copy button to copy the output. All processing happens in your browser—your data never leaves your device unless the tool explicitly uses a server feature (such as URL shortening or bcrypt hashing).
This tool is part of the Math Tools category. Check similar tools below. All everytools are free, no signup required. Works on desktop and mobile.
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Frequently Asked Questions
- Does this include taxes or insurance?
- No. It shows principal-and-interest only. Add escrow, PMI, and HOA separately using your lender’s figures.
- What formula is used?
- Standard amortizing loan payment: M = P × [r(1+r)^n] / [(1+r)^n − 1] with r = annual rate/12 and n = number of monthly payments.