Mortgage Calculator
Mortgage Calculator & Amortization Schedule
Understand Your Mortgage Payments with Our Mortgage Calculator
Our Mortgage Calculator helps you estimate monthly payments, interest costs, and principal balances over the life of your loan. It also allows you to include extra payments or annual increases in expenses, making it a versatile tool for homeowners and potential buyers in the U.S.
What Is a Mortgage?
A mortgage is a loan secured by real estate property. It allows buyers to purchase a home without paying the full price upfront. The lender provides the loan, and the borrower agrees to repay it over a set period, typically 15 or 30 years in the U.S.
Monthly mortgage payments usually include:
Principal: The original amount borrowed
Interest: The cost of borrowing the money
Escrow (optional): Covers property taxes, insurance, and other fees
Until the last payment is made, the property remains under lien, meaning the borrower is not considered the full owner.
Key Components of a Mortgage
1. Loan Amount
The total money borrowed from a lender, usually the purchase price minus the down payment. Loan eligibility often depends on household income and affordability. Use a House Affordability Calculator for guidance.
2. Down Payment
The upfront payment made by the borrower, typically 20% of the home price. Some programs allow as little as 3% down. A down payment below 20% usually requires Private Mortgage Insurance (PMI) until the loan-to-value ratio reaches 80%.
3. Loan Term
The period to repay the mortgage in full. Common terms are 15, 20, or 30 years. Shorter terms generally have lower interest rates and higher monthly payments.
4. Interest Rate
The cost of borrowing expressed as a percentage. Mortgages may be:
Fixed-Rate Mortgage (FRM): Rate stays the same over the term
Adjustable-Rate Mortgage (ARM): Rate adjusts periodically after an initial fixed period
Interest rates are usually expressed as Annual Percentage Rate (APR). For example, a 6% APR translates to 0.5% interest monthly.
Costs Associated with Homeownership
Recurring Costs
Property Taxes: Paid to local governments, averaging 1.1% of property value annually in the U.S.
Home Insurance: Covers damages and personal liability. Costs vary by location, property type, and coverage.
Private Mortgage Insurance (PMI): Required for down payments <20%, costing 0.3%–1.9% of the loan annually.
HOA Fees: Fees for maintaining shared property spaces, common in condos and townhomes.
Maintenance & Utilities: Ongoing costs for upkeep, averaging around 1% of property value per year.
Non-Recurring Costs
Closing Costs: Fees paid at the time of purchase, including attorney fees, title insurance, and appraisals. Typically $10,000 on a $400,000 home.
Initial Renovations: Optional costs for updates or repairs before moving in.
Furniture & Moving Costs: One-time expenses for settling into the home.
Amortization Schedule
An amortization schedule breaks down each mortgage payment into principal and interest over the life of the loan. Early payments are mostly interest, while later payments are mainly principal.
Example Annual Payment Breakdown:
| Year | Interest Paid | Principal Paid | Remaining Balance |
|---|---|---|---|
| 1 | $19,679 | $3,797 | $316,203 |
| 5 | $18,617 | $4,860 | $298,439 |
| 10 | $16,862 | $6,615 | $269,092 |
| 15 | $14,472 | $9,004 | $229,144 |
| 20 | $11,220 | $12,256 | $174,767 |
| 30 | $768 | $22,709 | $0 |
Use our calculator to view monthly or annual schedules automatically.
Early Repayment Options
Paying off your mortgage early can save interest and shorten your loan term. Strategies include:
Extra Payments: Pay above the monthly minimum to reduce principal faster.
Biweekly Payments: Pay half your monthly payment every two weeks. This results in 13 full payments per year, reducing interest.
Refinancing: Replace your mortgage with a shorter-term loan at a lower interest rate.
Benefits of Early Repayment:
Lower overall interest costs
Faster path to homeownership
Financial freedom and peace of mind
Drawbacks:
Possible prepayment penalties
Opportunity cost of funds that could be invested elsewhere
Locked-in capital in your property
Reduced mortgage interest tax deduction
A Brief History of Mortgages in the U.S.
In the early 20th century, home buying required large down payments and short-term loans with balloon payments. Only 40% of Americans could afford a home.
The FHA and Fannie Mae, established in the 1930s, made mortgages more affordable, introducing 30-year fixed-rate loans with smaller down payments. These programs helped post-WWII soldiers and stabilized the housing market during economic crises, including the 2008 financial crash.
Today, mortgages remain the primary path to homeownership in the U.S., with government agencies continuing to support the market.
Why Use Our Mortgage Calculator?
Calculate monthly payments instantly
Generate amortization schedules
Factor in extra payments and annual expense increases
Plan early repayment strategies to save money