Mortgage Calculator

Mortgage Payment Calculator Methodology

This mortgage calculator estimates the total monthly cost of owning a home with a mortgage. The base loan payment is made of principal and interest. Principal reduces the loan balance. Interest is the cost of borrowing money. In the early years of a fixed-rate mortgage, a larger share of each payment goes to interest. Over time, more of the payment goes toward principal.

The calculator also includes property taxes, homeowners insurance, and private mortgage insurance. These costs are not always part of the loan itself, but many homeowners pay them through an escrow account with the monthly mortgage bill. Including them gives a more realistic estimate than principal and interest alone.

Mortgage payment formula

The standard fixed-rate mortgage formula uses the loan amount, monthly interest rate, and number of payments. If the annual interest rate is 6.75%, the calculator divides it by 12 to estimate the monthly rate. The formula then creates a level principal-and-interest payment over the full loan term.

APR, escrow, and lender quotes

This calculator uses the interest rate you enter. It does not calculate APR, lender fees, discount points, title costs, prepaid interest, or closing costs. In the United States, many borrowers pay property taxes, homeowners insurance, and PMI through an escrow account, so this calculator includes them as monthly housing costs rather than treating principal and interest as the entire payment.

Mortgage Calculator with Taxes and Insurance

Property taxes are usually based on the assessed value of the home and the local tax rate. A 1.2% annual property tax estimate on a $500,000 home equals about $6,000 per year, or $500 per month. Actual tax bills vary by county, exemptions, reassessments, and local rules.

Homeowners insurance

Homeowners insurance protects the property against covered risks. The calculator lets you enter an annual or monthly insurance estimate. Your actual premium depends on location, coverage, deductible, home age, replacement cost, and insurer pricing.

PMI Calculator

Private mortgage insurance, or PMI, is commonly required when the down payment is below 20% on a conventional mortgage. This calculator estimates PMI until the loan balance reaches 80% of the home price. Real cancellation rules can depend on the lender, loan type, payment history, and property value.

Mortgage Calculator Extra Payments

Extra payments are applied to principal in this calculator. Paying extra principal can reduce the loan balance faster, lower lifetime interest, and shorten the payoff time. Even a small extra monthly amount can make a visible difference on a long-term mortgage.

Mortgage Payoff Calculator

The payoff date uses the loan start month, standard payment, extra monthly payment, and biweekly payment setting. If you add extra principal or choose biweekly payments, the calculator estimates how many months are saved compared with a standard monthly payment schedule.

Biweekly Mortgage Calculator

The biweekly mortgage calculator setting estimates 26 half-payments per year. This is roughly equal to one extra monthly payment each year, which can shorten the mortgage term and reduce total interest without adding a separate lump-sum payment.

HOA fees and total housing cost

HOA fees are not part of the mortgage loan and do not reduce your balance. They are included here because many buyers want one monthly housing cost estimate that includes principal, interest, taxes, insurance, PMI, and homeowners association dues.

Mortgage Amortization Schedule

The mortgage amortization schedule shows how each payment is divided between interest and principal. The monthly view is useful for detailed planning, while the annual view is easier to scan. The start date is used to estimate the payoff month and label each row with a real calendar period.

Mortgage calculator FAQ

Can I use this as a mortgage calculator with taxes, insurance, and PMI?

Yes. This calculator includes property taxes, homeowners insurance, PMI, HOA fees, and the standard principal-and-interest payment. That makes the estimate closer to the monthly housing payment many U.S. homeowners see in practice.

Is this calculator the same as a lender quote?

No. This calculator is an estimate. A lender quote may include APR, closing costs, points, lender fees, escrow details, and loan program rules that are not fully captured here.

Does this calculator show APR?

No. APR can include interest, points, lender fees, and other costs. This calculator focuses on estimated monthly payment and amortization, not a formal APR disclosure.

Why is the monthly payment higher than principal and interest?

Many homeowners also pay property taxes, homeowners insurance, and PMI with the mortgage bill. These items can add hundreds of dollars per month beyond the loan payment.

Should I choose a 15-year or 30-year mortgage?

A 15-year mortgage usually has a higher monthly payment but much lower total interest. A 30-year mortgage usually has a lower monthly payment but costs more interest over time. The right choice depends on cash flow, savings goals, and risk tolerance.

What is a bi-weekly mortgage payment?

Biweekly payment plans split the monthly payment in half and make 26 payments per year. That equals roughly 13 monthly payments per year, which can reduce interest and shorten the loan term.

How does the mortgage payoff calculator work?

The payoff estimate starts with the selected loan term and then applies extra monthly principal payments or biweekly payment savings. The result shows the estimated payoff date and the number of months saved.

Can I use this as a mortgage calculator with taxes and insurance?

Yes. Enter a property tax estimate and homeowners insurance estimate to calculate a more complete monthly housing payment.

What is PITI?

PITI means principal, interest, taxes, and insurance. It is a common way to describe the main parts of a monthly mortgage payment.

Does this calculator include HOA fees?

Yes. HOA fees can be added as a monthly cost. They are not part of the loan balance, but they matter for affordability.

What is a mortgage amortization calculator?

A mortgage amortization calculator shows how each payment reduces the loan balance over time. It also shows how much interest is paid each month or year.

Can I download the amortization schedule?

Yes. Use the Download CSV button to save the mortgage amortization schedule and open it in a spreadsheet.

How does the share link work?

The share link stores your inputs in the page URL. It does not require an account or send your numbers to a server.

Does this page save my mortgage information?

The calculator saves inputs in your browser so the page is easier to revisit. This static page does not upload your inputs to a server.