What is the Mortgage Calculator?
Estimate the monthly mortgage payment from the property price, down payment, rate and term.
Enter property price, down payment, interest rate per year and loan term and the Mortgage Calculator returns monthly payment, loan amount, down payment, total interest and total paid including down payment. Results update as you type, and nothing you enter leaves your device.
How it is calculated
How to use it
- Enter property price.
- Enter down payment in %.
- Enter interest rate per year in %.
- Enter loan term in years.
- Read monthly payment in the results panel. It updates as you type.
- Change any value to compare scenarios, or use Share to send the result as a link.
Worked example
Common questions
What formula does the Mortgage Calculator use?
It uses: Loan = Price × (1 − Down payment %); Payment = Loan × i × (1 + i)^n ÷ ((1 + i)^n − 1).
What do I need to use the Mortgage Calculator?
You need property price, down payment, interest rate per year and loan term. Sensible starting values are filled in so you can see how it works straight away.
Is the Mortgage Calculator free, and is my data stored?
It is free with no sign-up. The calculation runs in your browser, so the values you enter are not sent to or stored on our server.