How To Calculate How Much Of A House You Can Afford In 7 Steps

Graphic of a new house with a front lawn

Buying a house is likely one of the biggest financial decisions you will make in your life and is not to be taken lightly. It requires careful planning and consideration. Before looking into a monumental purchase, the first step is understanding how much of a house you can truly afford. It involves analyzing several factors such as your income, expenses, debt, and other financial obligations. We will guide you through calculating how much of a house you can afford and the seven steps to take to get a complete picture of your financial situation. 

Assess Your Financial Situation

Before jumping into any calculations, it is essential to have a clear picture of your overall financial health. Start by assessing your income and monthly expenses. Consider your stable income sources and determine your average monthly income after taxes. Deduct your regular monthly expenses such as rent, utilities, groceries, transportation costs, and any other fixed recurring expenditures from your income. The remaining amount is your net disposable income.

You create a simple budget spreadsheet yourself to track your income and expenses, or there are several free apps to use that will connect to your bank account and categorize your expenses to make it easy to see exactly how much you are spending and where the money is going each month. Mint is a great tool that makes it easy to manage several accounts in one place. It will sync with your bank account; allowing you to review your expenses and recategorize them if necessary. It is a good idea to look at a few months or even up to the past year of your financial situation to get a broad picture of your finances. 

Determine Your Debt-to-Income Ratio (DTI)

Once you completely understand your financial situation, evaluate your debt-to-income ratio (DTI). Lenders widely use this ratio to assess your ability to repay your debts. To calculate your DTI, divide your total monthly debts by your gross monthly income. Total debts include credit card payments, car loans, student loans, and any other outstanding debts. For instance, if your monthly debts are $1,200 and your gross monthly income is $4,000, your DTI ratio would be 30% ($1,500 ÷ $5,000). 

Keeping your DTI to under 35% percent is generally considered “good.” Typically, the lower your DTI, the better opportunity you have to secure the best loan terms, no matter what lender you choose. 

Consider Your Down Payment

Graphic of a man walking with a tablet looking at different houses

Your down payment is another critical factor in determining how much house you can afford. The down payment is the initial sum of money you contribute towards the house’s purchase price. 

Most lenders require a minimum down payment; however, a higher down payment could lower your monthly mortgage payments. Ideally, a 20% down payment is often recommended to avoid costly private mortgage insurance (PMI) premiums. 

Evaluate your savings and determine what down payment amount you can comfortably afford. If you have the time to wait a few more months or even up to a year to work towards saving even more money for your down payment, the better terms you will receive, which will help lower your overall monthly mortgage payments.  

Calculate Your Housing Expense Ratio (HER)

Your housing expense ratio (HER) helps determine the maximum amount you can allocate toward your monthly housing expenses. It includes your mortgage payment, property taxes, homeowner’s insurance, and any homeowner association (HOA) fees, if applicable. Do not forget about other housing expenses like trash and recycling, internet, and estimated gas, electricity and water bills. Various calculators online can help estimate your monthly housing expenses depending on where you live. Sometimes, the home listing will also give estimates.  

The general rule of thumb is that your HER should be at most 25% to 30% of your gross monthly income. To calculate your HER, multiply your monthly gross income by the desired HER percentage. For example, if your gross monthly income is $6,000 and you aim for a 25% HER, the result would be $1,500 ($6,000 × 0.25).

Consider Other Expenses

While the HER is essential, it is equally important to consider other expenses when determining how much house you can afford. 

Consider your future financial goals, such as retirement savings, emergency funds, education, big vacations or any other significant expenses you anticipate. Considering these will help you avoid being house-poor, where most of your income goes towards your housing expenses, leaving little room for other essential financial goals.

Use an Online Affordability Calculator

To simplify the process, online affordability calculators are out there to help. These tools consider various factors such as income, expenses, debt, down payment, and interest rates to estimate the maximum house price you can afford. They aggregate all of this information into one place to easily view and digest your financial situation. 

Review the estimated monthly payments and check if they align with your financial goals and comfort level.

Consult with a Mortgage Lender

While online calculators provide a good starting point, consulting with a mortgage lender is advisable. They can assess your financial situation in-depth and provide more accurate details regarding interest rates, loan options, and loan amount affordability. 

Mortgage lenders consider many factors unique to your situation, allowing for a more personalized analysis. Like any big financial decision, it is important to talk to multiple lenders and let them know you are looking around to decide which one works the best for you and your family and will offer the best terms. 

Calculating and fully understanding how much house you can afford involves thoroughly examining your financial situation. Assessing your income, expenses, debt-to-income ratio, down payment, housing expense ratio, and other expenses will help you understand the right price range for your potential home. 

Remember that choosing a house that aligns with your financial goals and provides a comfortable living while leaving room for other financial aspirations is crucial. With careful planning and consideration, you can make a well-informed decision and embark on a successful home-buying journey.

You might also be interested in: 6 Different Types Of Mortgage Loans To Consider Today

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