Use this mortgage calculator to estimate your monthly principal and interest payment, plus taxes, insurance, HOA dues, and PMI if applicable.
First-Year Amortization Snapshot
| Month | Principal | Interest | Remaining Balance |
|---|
What this home loan payment calculator helps you do
Buying a home is exciting, but the monthly cost can be higher than many people expect. A mortgage payment is not just principal and interest. In most cases, you also pay property taxes, homeowners insurance, and sometimes private mortgage insurance (PMI) and HOA dues. This calculator gives you a clearer picture of your full monthly housing cost before you commit.
How mortgage payments are calculated
For a fixed-rate loan, the principal-and-interest portion is calculated using an amortization formula. Your monthly payment stays the same, but the mix changes over time: early payments are interest-heavy, and later payments apply more to principal.
Core formula (principal & interest)
Monthly Payment = P × [r(1 + r)n] ÷ [(1 + r)n − 1]
- P = loan amount (home price minus down payment)
- r = monthly interest rate (annual rate ÷ 12)
- n = total number of monthly payments (years × 12)
Input guide: what each field means
- Home Price: Purchase price of the property.
- Down Payment: Cash paid up front, reducing your loan balance.
- Interest Rate: Annual fixed mortgage rate.
- Loan Term: Most commonly 15 or 30 years.
- Property Tax: Annual local tax estimate, divided monthly.
- Home Insurance: Annual insurance premium, divided monthly.
- HOA: Monthly homeowners association dues (if any).
- PMI Rate: Usually applies when down payment is under 20%.
Practical tips to lower your monthly payment
1) Increase the down payment
A larger down payment lowers your loan amount and may eliminate PMI, which can significantly reduce monthly cost.
2) Improve your credit profile before applying
Better credit can qualify you for lower rates. Even a small rate improvement can save thousands over the loan term.
3) Compare multiple lenders
Different lenders quote different rates and fees. Shopping around is one of the highest-value financial moves in the home-buying process.
4) Understand taxes and insurance in your target area
Two homes with the same price can have very different monthly costs if tax rates or insurance premiums differ.
Example scenario
Imagine a $400,000 home with $80,000 down, a 6.5% interest rate, and a 30-year term. The principal-and-interest payment is only part of the story. Add taxes, insurance, and HOA/PMI where relevant, and your true monthly housing budget becomes much clearer. This calculator brings all of those pieces together in one place.
Important note
This calculator is an educational estimate, not a lender quote. Final numbers depend on lender fees, local tax assessments, escrow setup, insurance underwriting, and loan program details. Always confirm exact figures with your loan officer and real estate professionals.