Mortgage Calculator
Estimate monthly mortgage payments, total interest, and amortization summary.
Frequently asked questions
What does the Mortgage Calculator do?
Estimate monthly mortgage payments, total interest, and amortization summary. Enter your values and get an instant estimate in your browser — free, with no signup.
Is the Mortgage Calculator free to use?
Yes. OpenCalcy calculators are free to use, work on mobile, and keep favorites privately in your browser.
How is the Mortgage Calculator calculated?
It uses this formula: M = P · r(1+r)^n / ((1+r)^n − 1)