Mortgage Payment Formula: Calculate Each PITI Component (2026)
Mortgage Payment Formula: Calculate Each PITI Component (2026) A mortgage payment has four core components: principal, interest, taxes, and insurance, abbreviated PITI — and each one has its own formula. On a typical 2026 purchase — a $405,300 home with 10% down, financed at 6.5% over 30 years — those four parts combine to roughly $3,032 per month, with principal and interest alone making up $2,306 of it. Enter your own numbers in the Mortgage Calculator(/finance/mortgage-calculator) to see the split for your loan. The "principal and interest" number a lender advertises is rarely the number that hits your account. The amortization formula produces only the P&I figure; property taxes, homeowners insurance, and PMI are added separately and can lift the real payment by hundreds of dollars a month. This guide shows the exact calculation behind each component so you can rebuild — and sanity-check — any quote yourself. This article...
What's Really In Your Mortgage Payment? The Complete Breakdown
What's Really In Your Mortgage Payment? The Complete Breakdown I'll never forget opening my first mortgage statement. The lender quoted me $1,847/month. My actual payment? $2,634. That extra $787 included property taxes, insurance, and PMI that nobody clearly explained during closing. When you get a mortgage quote, that monthly number isn't just about paying back the loan. Your actual payment includes taxes, insurance, and fees that can add hundreds of dollars to your bill. Let's break down exactly what you're paying for — and how to avoid the surprise I got. Calculate Your True Monthly Payment Use our mortgage calculator to see all the components of your payment, including taxes, insurance, and PMI: Try Our Mortgage Calculator(/finance/mortgage-calculator) The Four Parts of Your Payment (PITI) !PITI Mortgage Payment Breakdown showing Principal, Interest, Taxes, and Insurance components(/images/blog/mortgage-piti-breakdown.svg) Your mortgage payment is often called "PITI" — an acronym for its four main components:...