5 Alternative Ways to Use a Mortgage Calculator (2024)

A mortgage calculator is one of the most commonly used online mortgage tools for home shoppers, and for good reason. It can give you a good idea of whether or not you can afford a home loan and help you see what a particular home might cost. But did you know that you can do even more with a mortgage calculator? Here are five alternative uses for Zillow’s mortgage calculator:

1. Figure out which loan type to choose

The loan type you use to finance a new home can make an impact on your monthly mortgage payment. To see how much, just choose

your desired loan type from the “Loan program” drop-down on our mortgage calculator. The payment will automatically change to incorporate the average interest rate and term for your selected loan type. Seeing this impact on the monthly mortgage payment can help you decide which loan type is right for you.

Here’s a breakdown of the loan type’s you’ll see in our mortgage calculator:

  • 30-year fixed: Typically, the 30-year fixed mortgage has the lowest payment amount, but the highest interest rate. This is the most common loan type.
  • 15-year fixed: The 15-year fixed mortgage will have a higher payment amount than a 30-year fixed loan but a lower interest rate, which means you’ll pay the loan off faster and pay much less interest over the life of the loan.
  • 5/1 ARM: The interest rate for 5/1 ARM loans is usually much lower than a fixed-rate loan. However, with ARMs (adjustable rate mortgages), this rate can change every year once the initial fixed period ends, which can increase your monthly payment. If you're considering an ARM, make sure you understand how much your payments could increase.

If you’re looking for an FHA or VA loan, you can select any of the loan types from the drop down. Mortgage insurance is not required for VA home loans, and in most cases, a down payment isn’t required either. For FHA loans, you’ll be required to put at least 3.5% down, and you’ll have to pay a monthly mortgage insurance premium.

2. See the impact of different interest rates

The interest rate you get for your home loan can have a major impact on your monthly mortgage payment. You can see this impact by entering different interest rates into a mortgage calculator. Our mortgage calculator automatically includes the average interest rates for the loan program that you’ve entered, but you can change this number to see the impact of having a higher or lower interest rate.

If you’re not sure what interest rate to enter, you can see your estimatedmortgage rates on Zillow or quickly find to a local lender on Zillow to see what rate you would qualify for.

3. See where your money will go every month

The total monthly mortgage payment you make every month doesn’t just go towards down the principal; it goes towards several different costs. Using a mortgage calculator can show you exactly where your money will go. Just make sure the “Include taxes/ins.” box is checked.

Here’s a list of items you may see in your mortgage calculator results on Zillow:

  • P&I: P&I represents the portion of your monthly payment that goes towards the principal and interest for your home loan.
  • Insurance: Insurance is the estimated cost of homeowners insurance due every month. You can adjust this value in the mortgage calculator’s advanced options.
  • Taxes: Taxes show the estimated property taxes based on the home’s value and location. You can adjust this value (or opt to remove the taxes and insurance) in the advanced options.
  • PMI: PMI is private mortgage insurance (or “mortgage insurance premium” for FHA loans), which is often required if the down payment is less than 20% of the home’s purchase price. You can remove this in the advanced options of our mortgage calculator.

4. See the total amount of interest you’ll pay

Our mortgage calculator’s monthly payment breakdown will show the amount of interest you’ll pay each month, but you can also see the total amount of interest paid over the life of your loan. Click the “Schedule” tab above your mortgage calculator results to see an interactive graph showing the principal and interest paid (as well as the remaining balance) for each month. Hovering over this graph can show you the total amount of interest paid at any given point of over the life of your loan.

5. Figure out what to offer and put down on a new home

A mortgage calculator can be used as a tool when you are considering what to offer on a new home. By entering different loan amounts in our mortgage calculator, you can see if going under or above the asking price still fits within your monthly budget. If you’re adding an escalation clause, you can get an idea of how much your monthly mortgage payment might be if the escalation clause kicks in.

You can also play with the down payment amounts to see the impact of putting more or less money down. For example, a higher down payment will lower your monthly payments by reducing the amount of money you borrow, and in many cases, it can help you qualify for a lower interest rate. Making a down payment of at least 20% of the home’s purchase price can also help you avoid paying private mortgage insurance (PMI).

Ready to buy? Take the first step and get pre-qualified.

5 Alternative Ways to Use a Mortgage Calculator (2024)

FAQs

What is the use of mortgage calculator? ›

Based on your input, a mortgage calculator provides home loan options and estimates. These calculators are helpful when you want to see estimates for different types of mortgages you might qualify for, or if you want to see how different loan terms would affect your monthly payments.

How to calculate mortgage payments without a calculator? ›

A simpler calculation may be first multiplying the loan amount of $100,000 by the interest rate of 0.06 to get $6,000 of yearly interest, then dividing that $6,000 by 12 to get your monthly payment of $500. Regardless of which method you choose, you'll still end up with the same value.

How reliable are mortgage calculators? ›

Mortgage calculators provide general estimates based on the information you input, such as loan amount, interest rate, and loan term. While they offer a close approximation, keep in mind that actual payments may vary based on factors like taxes, insurance and interest rates.

Why is every mortgage calculator different? ›

Some calculators make some assumptions for you, while others let you control all of the inputs. The key factors that determine the monthly principal and interest payment are the loan amount, the length of the loan (known as the loan term), and the interest rate.

What can a mortgage be used for? ›

A mortgage is an agreement between you and a lender that gives the lender the right to take your property if you don't repay the money you've borrowed plus interest. Mortgage loans are used to buy a home or to borrow money against the value of a home you already own.

What is the mortgage calculation formula? ›

Monthly payment formula

= -PMT(6.5 / 100 / 12, 30 * 12, 200000) = ((6.5 / 100 / 12) * 200000) / (1 - ((1 + (6.5 / 100 / 12)) ^ (-30 * 12)))

How do you calculate mortgage interest manually? ›

Take the current outstanding amount owed on your mortgage and multiply that number by your current interest rate as a decimal. For instance 2% would be 0.02. Divide that number by 12 and that will give you the amount due in interest on your next payment.

What are three common mortgage mistakes? ›

Here are 10 common mortgage mistakes to avoid: Not getting preapproved. Ignoring mortgage insurance. Not shopping around for a mortgage.

How much house can I afford if I make $70,000 a year? ›

With a $70,000 annual salary and using a 50% DTI, your home buying budget could potentially afford a house priced between $180,000 to $280,000, depending on your financial situation, credit score, and current market conditions.

What is the best mortgage rule? ›

According to the 28/36 rule, you should spend no more than 28% of your gross monthly income on housing and no more than 36% on all debts.

How many extra payments to reduce mortgage? ›

Make one extra mortgage payment each year

Making an extra mortgage payment each year could reduce the term of your loan significantly. The most budget-friendly way to do this is to pay 1/12 extra each month.

Does making one extra mortgage payment a year make a difference? ›

Making an extra payment to your mortgage each year will reduce the length of your repayment by several years — generally between four and six years. It will also lower the amount you pay in interest over time and help you build home equity more quickly.

Does using a mortgage calculator affect credit score? ›

Looking to buy your first home? Use our mortgage calculator to work out how much you could borrow towards your first property. It takes around two minutes and doesn't impact your credit score.

Should I use a mortgage calculator? ›

Using a calculator will help you work out whether you can afford mortgage payments now or whether you need to save more for your ideal deposit. Start to budget. If you're a first-time buyer or looking to upsize (or even downsize) an overview of your finances will help budget better.

What is a loan calculator used for? ›

Loan calculators can help you figure out your monthly payments on different types of loans. These include mortgages, car loans, personal loans, and so on. They can also help you understand how much you can afford to borrow based on your income and other factors. Don't focus entirely on the monthly payment.

How does mortgage repayment calculator work? ›

We divide the mortgage amount and the total interest you'd pay by the number of months you want to repay the money over. We use the unrounded repayment to work out the amount of interest you'd pay over the mortgage term. We use the rate to calculate the total interest you'd pay over the mortgage term.

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