Mortgage calculator
Estimate mortgage payment, loan amount and overpayment.
Fill in the fields and the result will appear here automatically.
Use this mortgage calculator to estimate monthly payment from property price, down payment, term and interest rate.
How it works
Formula and logic
The calculator subtracts the down payment from the property price and applies the selected payment formula.
Example
Use the calculator to compare how a larger down payment changes the monthly payment.
Fields and units
- Original price — $
- Down payment format — yes or no
- Down payment — $
- Down payment — %
- Years — unitless
- Rate — % yearly
- Payment type — yes or no
- Extra monthly payment — $
- Monthly insurance and costs — $
How to use
- — Enter property price and down payment.
- — Set the term and interest rate.
- — Compare the monthly payment and overpayment.
Enter property price and down payment. Set the term and interest rate. Compare the monthly payment and overpayment.
Sources and review status
- Calculation method
- The calculator subtracts the down payment from the property price and applies the selected payment formula.
- Data or methodology source
- The formula and input definitions documented on this page.
- Last reviewed
- Limitation
- This is a reference estimate. Contract fees, benefits and individual terms are included only when the form has a matching input.
FAQ
How accurate is this mortgage calculator?
The result is a practical estimate based on the values you enter and the formula shown on the page.
Does this mortgage calculator require an account?
No. The calculator works in your browser and does not require registration.
Can I share a mortgage calculator result?
Yes. Use the share link to copy the current inputs in the page URL.