INTERACTIVE TOOL
Mortgage calculator
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How to use this tool
- Enter property price and down-payment percentage.
- Set annual interest and term in years.
- Add annual property tax and monthly insurance when applicable.
Formula or method usedFinanced principal is price minus down payment; principal and interest use the annuity formula.
Worked example
A price of 200000 with a twenty percent down payment leaves 160000 financed.
Assumptions and limits
This is a constant-payment simulation, not a credit offer or a complete purchase-cost estimate.
Frequently asked questions
Does it include an amortization schedule?+
This version summarizes payment and total cost; the project is ready for a full schedule extension.
What happens to my inputs?+
Calculation inputs are processed locally in your browser. Favorites and preferences may be saved on this device. The site may perform separate network requests for live panels; these do not include the values entered into this local calculator. Do not paste secrets into public tools.
How should I check the result?+
This is a constant-payment simulation, not a credit offer or a complete purchase-cost estimate.