Mortgage Calculator
Estimate your monthly mortgage payment & view full amortization schedule
$
%
Yrs
$
📋 Estimated Monthly Payment
$1,896.20
Principal & Interest only
💰 Total Interest
$382,633
Over full loan term
🏡 Total Cost
$682,633
Principal + Interest
📊 Payment Breakdown
Principal: $300,000
Interest: $382,633
📅 Amortization Schedule
| Year | Principal Paid | Interest Paid | Extra Paid | Ending Balance |
|---|---|---|---|---|
| Click Calculate to view the amortization schedule. | ||||
📖 Understanding Your Mortgage Calculator Results
A mortgage calculator is an essential tool for homebuyers, refinancers, and real estate investors. By entering your loan amount, interest rate, and loan term, you can instantly see your estimated monthly mortgage payment, total interest costs, and complete amortization breakdown. This helps you budget accurately and compare different mortgage scenarios before committing to a loan.
🔑 Key Mortgage Terms Explained
- Principal: The original loan amount you borrow from the lender.
- Interest Rate: The annual percentage rate (APR) charged by the lender on your outstanding balance.
- Loan Term: The number of years over which you'll repay the mortgage (commonly 15, 20, or 30 years).
- Amortization: The process of gradually paying off your loan through scheduled monthly payments covering both principal and interest.
- Extra Payment: Any additional amount paid monthly toward the principal, which can significantly reduce total interest and shorten the loan term.
💡 Tips to Lower Your Mortgage Payments
- Improve your credit score – A higher credit score qualifies you for lower interest rates.
- Make a larger down payment – Reduces the loan amount and may eliminate PMI (Private Mortgage Insurance).
- Choose a longer loan term – Extending to 30 years lowers monthly payments (though increases total interest).
- Shop around for rates – Compare offers from multiple lenders to find the best deal.
- Make extra payments – Even $100 extra per month can save thousands in interest over the life of the loan.
- Consider buying points – Paying discount points upfront can lower your interest rate permanently.
❓ Frequently Asked Questions
How is a mortgage payment calculated?
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Mortgage payments use the standard amortization formula: M = P × [i(1+i)^n] / [(1+i)^n – 1], where M is the monthly payment, P is the loan principal, i is the monthly interest rate (annual rate ÷ 12), and n is the total number of payments (years × 12). This formula ensures each payment covers the interest accrued and reduces the principal so the loan is fully paid off by the end of the term.
What's the difference between a 15-year and 30-year mortgage?
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A 15-year mortgage has higher monthly payments but significantly lower total interest costs because the loan is paid off in half the time, and lenders typically offer lower interest rates for shorter terms. A 30-year mortgage offers lower monthly payments, making it more affordable month-to-month, but you'll pay substantially more in total interest over the life of the loan. Use this calculator to compare both scenarios.
How do extra payments affect my mortgage?
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Extra payments go directly toward reducing your principal balance. This reduces the amount of interest that accrues in subsequent months, which means more of each future payment goes toward principal. The result: you pay off your mortgage years earlier and save thousands in interest. For example, an extra $200/month on a $300,000 30-year mortgage at 6.5% can save over $80,000 in interest and pay off the loan about 7 years sooner.
Does this calculator include property taxes and insurance?
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No, this calculator shows principal and interest (P&I) only. Your actual monthly housing payment will typically also include property taxes, homeowner's insurance, and possibly PMI (Private Mortgage Insurance) if your down payment is less than 20%. These additional costs are often held in an escrow account by your lender. A good rule of thumb is to add 25-35% to the P&I payment shown here to estimate your total monthly housing cost.
What is an amortization schedule and why is it useful?
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An amortization schedule is a complete table showing every payment over the life of your loan, breaking down exactly how much goes toward principal and how much toward interest each month. It's incredibly useful for understanding how your equity builds over time, planning for extra payments, and seeing the long-term cost of your mortgage. In the early years, a larger portion of each payment goes to interest; over time, more goes to principal as the balance decreases.
