Mortgage Calculator
Enter loan amount, annual interest rate, and term in years to see monthly payment, total interest, and total cost. Educational estimate only.
Runs entirely in your browser. Your data never leaves this device.
- Monthly payment
- Total interest
- Amortization summary
- Term in years
- Private calc
How it works
- Adjust the controls or paste your input.
- Preview results instantly in the browser.
- Copy or download the output — nothing is uploaded.
Key features
- Monthly payment
- Total interest
- Amortization summary
- Term in years
- Private calc
FAQ
Is this private?
Yes — processing runs in your browser; we do not upload your inputs.
Do I need an account?
No — free to use without signup.
Does it work offline?
After the page loads, most tools work without further network calls.
Mobile friendly?
Yes — layouts adapt to smaller screens.
Does this include taxes and insurance?
No — it estimates principal & interest only. Escrow and fees vary by lender.
Keep building
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