Mortgage Principal and Interest Calculator

Enter loan amount, rate, and term to see monthly P&I, first-month principal and interest, first-year totals, and lifetime interest.

Loan amount

Interest rate (%)

Term (years)

—Monthly principal and interest only

—First payment principal

—First payment interest

—First-year principal

—First-year interest

—Total modeled interest

—Total P&I paid

Excludes property tax, insurance, PMI, HOA, escrow, fees, and other homeownership costs.

Isolate principal and interest

Enter a fixed loan amount, annual rate, and term. The calculator shows the level monthly P&I payment, first-payment split, first-year principal and interest, and lifetime modeled interest.

What is excluded

Property taxes, homeowners insurance, mortgage insurance, HOA, escrow, closing costs, and other homeownership expenses are intentionally excluded.