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Real Estate Tool

Mortgage Payment Calculator

Estimate monthly principal and interest, total payment, loan amount, or purchase price based on common mortgage assumptions.

Start Here
Enter price, down payment, interest rate, and term to estimate monthly payment.
Tip: Switch modes to estimate payment, max loan, max price, or required income.

Enter the loan assumptions

Optional. Used only in the result summary.
Purchase / Loan
Used to calculate loan amount or max price.
Used in max price mode or when solving from payment.
Used for max loan and max price modes.
Monthly Add-Ons
Used for required income mode.

What does a mortgage payment include?

A basic mortgage payment usually starts with principal and interest. Many buyers also need to estimate property taxes, insurance, mortgage insurance, HOA dues, or other monthly housing costs.

Monthly Payment = Principal & Interest + Taxes + Insurance + PMI + HOA

The principal and interest portion is based on loan amount, interest rate, and amortization term. Taxes, insurance, PMI, and HOA dues are separate assumptions and can change over time.

Important note

This calculator gives a planning estimate. It does not include lender fees, escrow adjustments, closing costs, rate buydowns, points, repairs, utilities, or changes in taxes and insurance after closing.

How to use this mortgage payment calculator

Find Payment — Enter purchase price, down payment, rate, term, and monthly add-ons. The calculator estimates total monthly payment.

Find Max Loan Amount — Enter your maximum monthly payment, rate, term, and add-ons. The calculator estimates the loan amount supported by that payment.

Find Max Purchase Price — Enter maximum monthly payment and down payment percentage. The calculator estimates the purchase price supported by the loan amount.

Find Required Income — Enter payment assumptions and a target housing ratio. The calculator estimates the gross monthly and annual income needed under that ratio.

Disclaimer: This calculator is for educational and planning purposes only. It does not provide financial, legal, tax, investment, lending, or real estate advice. Results are estimates based on the information entered and should be verified before making financial decisions.