Mortgage Calculator

Complete Guide to Mortgage Calculations

A mortgage calculator is an essential financial tool that helps homebuyers and homeowners understand the true cost of borrowing. By entering basic information about the property price, down payment, loan term, and interest rate, you can instantly calculate your monthly payment — including principal, interest, taxes, insurance (PITI), PMI, and HOA fees. The calculator also shows the full amortization schedule, revealing how each payment reduces your loan balance over time.

How to Use This Mortgage Calculator

1️⃣ Enter the home price — the total purchase price of the property.
2️⃣ Enter your down payment — as a dollar amount or percentage. Aim for 20% to avoid PMI.
3️⃣ Select your loan term — 30, 20, 15, or 10 years.
4️⃣ Enter your interest rate (APR) — check current rates from multiple lenders.
5️⃣ Add annual property tax estimate — typically 0.5-2% of home value.
6️⃣ Enter annual homeowners insurance premium — average $1,200-1,500/year.
7️⃣ Add PMI if down payment is under 20% — typically 0.5-1% of loan amount annually.
8️⃣ Enter monthly HOA fees if applicable.
9️⃣ Add an extra monthly payment (optional) — see how much interest you save.
🔟 Click “Calculate Mortgage” to see your results.

Understanding Amortization

In the early years of a mortgage, most of your payment goes toward interest. As the loan matures, more goes toward principal. Extra payments made early have the greatest impact — every extra dollar reduces principal and eliminates future interest on that dollar.

Frequently Asked Questions