Instant calculator
Mortgage Calculator
Use this mortgage calculator to estimate principal and interest for a home loan so you can compare options before you talk to a lender.
How to use
Quick steps
- Enter home price, down payment, interest rate, loan term.
- Review the instant answer block and supporting calculations.
- Compare the result with related tools in the same category before making a decision.
Formula
How this calculator works
Payment = P x r x (1 + r)^n / ((1 + r)^n - 1)
This estimate focuses on principal and interest. Add taxes, insurance, and HOA fees separately for a full housing payment.
FAQ
Common questions
How does the mortgage calculator work?
It uses Payment = P x r x (1 + r)^n / ((1 + r)^n - 1). Enter home price, down payment, interest rate, and loan term to generate an instant estimate.
When should I use this mortgage calculator?
Estimate a fixed-rate monthly mortgage payment before taxes and insurance.
What should I keep in mind?
This estimate focuses on principal and interest. Add taxes, insurance, and HOA fees separately for a full housing payment.