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Free Mortgage Calculator – Monthly Payment, Interest & Amortization

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Fill in the details on the left and click Calculate

Shorter loan terms mean less total interest but higher monthly payments

Fixed payment keeps monthly amount constant; declining balance saves on total interest

A small rate difference can mean thousands in savings over a 30-year loan

Mortgage Calculation Tips

Fixed Payment
Equal monthly payments throughout the loan term. Early payments are mostly interest; later payments are mostly principal. Best for stable monthly budgeting.
Declining Balance
Fixed principal each month plus decreasing interest. Higher initial payments that decrease over time. Saves on total interest compared to fixed payment.
Interest Rate Impact
Even a 0.5% rate difference on a 30-year $200,000 loan can save or cost you over $20,000 in total interest.
Down Payment
A larger down payment reduces your loan amount and may qualify you for better interest rates, saving thousands over the loan term.
Loan Term
A 15-year mortgage has higher monthly payments than a 30-year, but you pay significantly less total interest over the life of the loan.
Refinancing
If interest rates drop significantly, refinancing your mortgage could save you money. Compare the savings against closing costs before deciding.

Frequently Asked Questions

Q What is the difference between fixed payment and declining balance?
A Fixed payment (equal installment) keeps your monthly payment the same throughout the loan. Declining balance (equal principal) means you pay a fixed amount of principal each month plus decreasing interest, resulting in payments that decrease over time. Declining balance pays less total interest.
Q How much house can I afford?
A A common guideline is that your monthly mortgage payment should not exceed 28-30% of your gross monthly income. Use this calculator to find a loan amount that fits your budget.
Q Should I choose a 15-year or 30-year mortgage?
A A 15-year mortgage has higher monthly payments but significantly less total interest. A 30-year mortgage offers lower monthly payments but costs more in interest over time. Choose based on your monthly budget and long-term goals.
Q How does the interest rate affect my payment?
A Even small rate differences have a big impact over long terms. On a $200,000 30-year loan, the difference between 6% and 6.5% is about $66 per month and over $24,000 in total interest.
Q Can I pay off my mortgage early?
A Most mortgages allow early repayment, though some may have prepayment penalties. Paying extra toward principal can significantly reduce total interest and shorten the loan term.
Q What detailed information can I find in a mortgage amortization schedule?
A An amortization schedule breaks down each mortgage payment into principal and interest components over the life of the loan. You'll see how much of your payment goes towards reducing the principal balance each month, the remaining loan balance, and the total interest paid to date. It's crucial for understanding your loan's progression and tracking your equity.
Q Does this mortgage calculator include property taxes and home insurance in the monthly payment?
A Our mortgage calculator primarily focuses on estimating your principal and interest payments. Property taxes and home insurance, often called 'escrow' items, are typically separate costs that vary by location and property. You'll need to add these figures to the calculated principal and interest to get your total estimated monthly housing expense. Most lenders will provide these details when you apply for a loan.
Q How can I compare the savings of making bi-weekly mortgage payments using this calculator?
A Bi-weekly mortgage payments can save thousands in interest by effectively making an extra monthly payment each year. To see this, input your standard loan details. Then, calculate a new scenario where you pay an extra 1/12th of your monthly payment each month. Our amortization schedule will clearly show the reduced loan term and substantial interest savings from this strategy.
Q How does my down payment percentage affect my mortgage payment and total interest?
A A larger down payment directly reduces your principal loan amount, leading to lower monthly mortgage payments and significantly less total interest paid over the life of the loan. It can also help you qualify for better interest rates or avoid Private Mortgage Insurance (PMI). Use our calculator by adjusting the loan amount (or down payment) to instantly see these savings and optimize your mortgage strategy.
Q How can I quickly compare the total interest paid for a 20-year mortgage versus a 30-year term using this tool?
A Our mortgage calculator makes this easy. Simply input your loan amount, interest rate, and then run a calculation for a 20-year term. Note the "total interest" figure. Then, adjust the loan term to 30 years and recalculate. You'll instantly see how significantly a shorter term reduces your total interest burden and speeds up equity growth. The amortization schedule will show the monthly breakdown for both.

How to Use the Mortgage Calculator

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