Mortgage calculator

Calculate your monthly mortgage payment (PITI) and total interest for a US home loan.

Monthly payment (PITI)

$2,514.28

Principal & interest$2,022.62

Tax + insurance (monthly)$491.67

Loan amount$320,000.00

Total interest$408,142.36

PITI = principal, interest, taxes and insurance. Excludes PMI and HOA fees.

How the calculation works

The principal & interest uses standard amortization: M = P·r / (1 − (1+r)⁻ⁿ), with r the monthly rate and n the months. Add property tax and insurance for PITI.

Frequently asked questions

What is PITI?

Principal, Interest, Taxes and Insurance — the full monthly housing cost.

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Updated on June 18, 2026 · by Rafael Rossi · Methodology & sources