Mortgage Payment Calculator | Free Monthly Payment Estimator
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Mortgage Payment Calculator

Our free mortgage payment calculator helps you estimate your monthly mortgage payment in seconds. Enter your loan amount, interest rate, and term — no sign-up needed.

FreeAlways free to use
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AccurateStandard formula
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Infographic showing how a mortgage payment calculator breaks down principal and interest into a monthly payment
Enter your loan details
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Your estimated monthly mortgage payment
$0
Loan Amount
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Total Amount Paid
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Total Interest Paid
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Principal—
Interest—

How to use this mortgage payment calculator

Getting your estimate takes under a minute. Simply follow these five steps and the calculator does the rest:

1

Enter the full home price of the property you want to buy.

2

Enter your down payment — the upfront amount you plan to pay.

3

Enter the annual interest rate your lender has quoted you.

4

Select your loan term — 10, 15, 20, or 30 years.

5

Hit Calculate to see your full payment and cost breakdown.

What is a mortgage payment?

A mortgage payment is the fixed monthly amount you pay your lender to repay your home loan. In essence, every mortgage payment calculator result is built on two core components — the principal and the interest.

Principal vs interest explained

The principal is the portion that directly reduces your outstanding loan balance. The interest, on the other hand, is the fee your lender charges for lending you the money.

In the early years of your loan, a larger share of each payment goes toward interest. Over time, however, more shifts toward the principal — a gradual process known as amortization.

Because of this shift, paying a little extra early in your loan term saves you significantly more money than paying the same amount later.

What else might be included?

Some monthly mortgage payments also include property taxes and homeowner's insurance through an escrow account. As a result, your actual total monthly outgoing may be higher than what this calculator shows.

Before committing, always ask your lender for a full payment breakdown so there are no surprises after closing.

What affects your mortgage payment calculator result?

Four key factors determine what our mortgage payment calculator shows as your monthly cost. Understanding each one, therefore, helps you make smarter borrowing decisions.

Loan Amount

The more you borrow, the higher your monthly payment. A larger down payment upfront reduces your loan balance and lowers your monthly cost significantly.

Interest Rate

Even a small rate difference has a major long-term impact. For instance, a 1% higher rate on a $300,000 loan adds over $150 per month and tens of thousands over the full loan term.

Loan Term

A 30-year term gives you lower monthly payments but costs more in total interest. Conversely, a 15-year term means higher monthly payments but saves you a substantial amount overall.

Down Payment

Putting down at least 20% lets you avoid Private Mortgage Insurance (PMI) — an extra monthly cost that lenders add when your down payment falls below that threshold.

Mortgage payment calculator formula

Our mortgage payment calculator uses the standard fixed-rate amortization formula that lenders worldwide rely on. Specifically, three inputs drive the result — your loan amount, interest rate, and term:

M = P × [r(1+r)^n] / [(1+r)^n – 1]
MMonthly payment amount
PPrincipal loan amount
rMonthly interest rate (annual ÷ 12)
nTotal payments (years × 12)

You do not need to apply this formula yourself — the mortgage payment calculator above handles all the math instantly when you hit Calculate.

Example mortgage payment calculation

To illustrate how the calculator works, here is a real-world scenario. Suppose you are buying a home worth $350,000, putting down $50,000, with a 6.5% annual interest rate on a 30-year fixed loan:

Home Price$350,000
Down Payment$50,000
Loan Amount$300,000
Interest Rate6.5% per year
Loan Term30 years (360 payments)
Total Interest Paid$382,633
Total Amount Paid$682,633
Estimated Monthly Payment$1,896 / month

What this example tells us

As this scenario shows, the interest rate and loan term have an enormous impact on total cost. Over 30 years, you end up paying back nearly as much in interest as the original loan — which is precisely why finding the best rate before signing matters so much.

Tips to lower your monthly mortgage payment

If your mortgage payment calculator result feels too high, several practical strategies can bring it down. Consider these options before finalizing your loan:

Adjust your loan structure

  • Increase your down payment — even an extra 5% upfront reduces your loan amount and may eliminate PMI if you cross the 20% threshold.
  • Choose a longer loan term — extending from 15 to 30 years lowers your monthly payment considerably, though you will pay more in total interest over time.

Improve your rate and credit profile

  • Shop for a lower interest rate — compare at least three lenders before committing. Even a 0.5% difference saves thousands over the life of your loan.
  • Improve your credit score — a higher score typically qualifies you for a lower rate, which directly reduces your monthly payment.
  • Make extra payments when possible — additionally, paying even $100 extra per month reduces your principal faster and shortens your loan term significantly.

Learn more from trusted sources

Further reading from trusted US government resources:

Consumer Financial Protection Bureau — Owning a Home HUD.gov — Buying a Home Guide

Related tools on WebTools

Once you have your monthly payment estimate, these tools can help with the next steps:

Closing Costs Estimator — Find out how much you will pay at closing Profit Margin Calculator — Plan your finances before buying

Frequently asked questions about mortgage payment calculators

What is a good monthly mortgage payment?+
Most financial advisors recommend keeping your mortgage payment at or below 28% of your gross monthly income. For example, on a $6,000 monthly income before taxes, that means staying at or under $1,680 per month. Remaining within this range helps ensure housing costs do not crowd out other essential expenses. Try different numbers in the mortgage payment calculator above to find what fits your budget comfortably.
How much mortgage can I afford on my salary?+
Multiply your annual gross salary by 2.5 to 3 for a rough starting estimate. On a $60,000 salary, that suggests a home between $150,000 and $180,000. Bear in mind, though, that lenders also weigh your existing debts, monthly expenses, and credit score when deciding what to approve. Furthermore, the size of your down payment plays a major role — a larger amount reduces your loan and, therefore, your monthly payment.
Does a mortgage payment include taxes and insurance?+
Not automatically. By default, a mortgage payment covers only principal and interest. That said, many lenders bundle property taxes and homeowner's insurance into monthly payments through an escrow account. As a result, your real total monthly cost may be higher than what this calculator shows. Consequently, it is important to ask your lender for a full payment breakdown before signing anything.
What happens if I make extra mortgage payments?+
Extra payments go directly toward reducing your principal balance. Because of this, your loan term shortens and you pay less interest over time. To illustrate, an extra $200 per month on a 30-year $300,000 loan at 6.5% can cut nearly 5 years off your term and save over $60,000 in total interest. Moreover, most US lenders allow prepayments without penalties — though it is always worth confirming with yours first.
How does the interest rate affect my mortgage payment?+
The impact is significant and compounds over time. On a $300,000 loan over 30 years, moving from a 5% to a 7% rate adds roughly $370 per month — and over $133,000 in total interest across the loan. Therefore, shopping around for even a slightly better rate before committing is one of the highest-value steps you can take. Use the mortgage payment calculator above to see exactly how different rates change your monthly number.
Is a 15-year or 30-year mortgage better?+
Neither is universally better — it depends entirely on your financial priorities. A 15-year mortgage typically comes with a lower interest rate and results in far less total interest paid. In contrast, a 30-year mortgage offers lower monthly payments and greater cash flow flexibility, which suits buyers who want to keep monthly costs manageable. To compare both side by side, enter your details into the mortgage payment calculator above and switch between the two terms.
This mortgage payment calculator is for informational and educational purposes only. Results are estimates based on the inputs provided and do not constitute financial or mortgage advice. Always consult a licensed mortgage professional or financial advisor before making any home-buying decisions. Rates and terms vary by lender and are subject to change.
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