Mortgage Calculator 2026: Estimate Your Monthly Payment & Total Cost
Mortgage Calculator 2026: Estimate Your Monthly Payment & Total Cost Before you buy a home, you need to know your monthly mortgage payment — and how much you'll pay in total. This guide explains how mortgage calculators work, with examples for different loan amounts, rates, and terms. How Mortgage Payments Are Calculated Formula: M = P × [r(1+r)^n] / [(1+r)^n - 1] where P = principal, r = monthly rate, n = number of payments. Example: $300K loan, 7% rate, 30 years → Monthly principal + interest = $1,996. What affects payment: Loan amount, interest rate, loan term, down payment, property taxes, insurance, PMI, HOA. Mortgage Payment Examples (2026) $200K loan, 7%, 30 years: $1,331/month P&I. Total interest: $279,000. $300K loan, 7%, 30 years: $1,996/month P&I. Total interest: $418,500. $400K loan, 7%, 30 years: $2,661/month P&I. Total interest: $558,000. $500K loan, 7%, 30 years: $3,327/month P&I. Total interest: $697,500. $300K loan, 7%, 15 years: $2...