PITI, year-1 interest, and the § 163 deductibility — split by primary vs rental vs investment use.
Auto-derived from purchase price + down payment. Edit directly for refis or a custom loan structure.
Primary residence — interest deductible on Schedule A up to the $750,000 acquisition-debt cap (§ 163(h)(3)).
For primary residences, property tax + state income tax is capped at $10,000 combined under SALT.
Drives the calendar-year deductible. A loan that closes mid-year only deducts the months actually paid that year.
Defaults to the origination year. Pick a later year to model the deduction in years 2+.
Monthly payment
$—
Enter a loan amount to see your payment + year-1 interest.
2026 interest paid
$—
2026 deductible
$—
PI per year
$—
Lifetime