No recently used tools
No favorite tools yet

Free Mortgage Calculator – Monthly Payment, Interest & Amortization

92 uses
%
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 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.
Q Can I estimate my closing costs with this mortgage calculator?
A This calculator focuses on your loan's principal and interest, not closing costs. However, you can use it to get a ballpark figure for your monthly payments, which helps you budget for those upfront expenses. Typically, closing costs can range from 2% to 5% of the loan amount. For example, on a $300,000 loan, that's $6,000 to $15,000. You'll get a more precise breakdown from your lender.
Q What's the difference between fixed payment and declining balance methods?
A Fixed payment keeps your monthly amount the same for the entire loan term. Declining balance adjusts payments as the principal shrinks, starting higher and dropping over time. Try both in our calculator by toggling the method switch. On a $250,000 loan at 6% for 30 years, fixed payment stays around $1,499 monthly. The declining method might start near $1,800 but fall to $700 by year 20. This comparison helps if you expect income changes later.
Q Why does my amortization schedule show more interest than principal in the early years?
A That's how amortization works. Banks front-load interest payments. In year one of a $300,000 loan at 6%, roughly $1,500 goes to interest and only $500 to principal each month. Over time, that ratio flips. By year 20, you're paying mostly principal. Our schedule shows this shift month by month. Try adding $100 extra to principal monthly. You'll see the balance tip faster.
Q Is there a way to see how extra monthly payments affect my loan term?
A Yes, just enter your loan details and then add a monthly extra payment amount in the field marked 'additional principal.' On a $250,000 loan at 6% for 30 years, paying an extra $100 each month cuts the term by about 5 years and saves roughly $43,000 in interest. The amortization schedule updates instantly to show the new end date. Try different amounts to find what fits your budget.
Q Does refinancing ever save me money?
A Refinancing can lower your rate by even half a percent and save you tens of thousands. Try this: plug your current loan into our calculator, note the total interest. Then run the same loan at a lower rate. On a $300k loan, dropping from 6% to 5.5% saves about $30,000 over 30 years. But watch out for closing costs, usually 2-5% of the loan. If those cost $10,000, calculate your monthly savings and divide. If you break even in 3 years and stay put, you win. Our amortization schedule shows your breakeven month.
Q Should I use your mortgage payment figure or the bank's pre-approval amount to plan my budget?
A Use the bank's pre-approval as your ceiling, not your target. Our calculator shows raw principal and interest, but lenders include debt-to-income ratios, credit scores, and local tax rates. On a $350,000 loan at 6.5%, our tool might say $2,212 monthly. The bank could approve you for $2,800. Don't stretch that far. A good rule: keep your total housing costs under 28% of gross income. Try backing into that number by adjusting the loan amount downward until the payment fits comfortably.

How to Use the Mortgage Calculator

Related Tools