With a $75,000 annual income and minimal debts, you can typically afford a home priced around $250,000–$300,000 using the 28/36 DTI rule. Your maximum monthly housing payment would be about $1,750. Use our calculator for a personalized estimate.
How to Calculate How Much House You Can Afford
Our home affordability calculator uses the industry-standard 28/36 debt-to-income rule to instantly show you the maximum home price you can comfortably purchase. Start by entering your gross annual income — this is your income before taxes, and is the figure lenders use when evaluating your application.
Next, enter your total monthly debt payments. This includes car loans, student loans, personal loans, minimum credit card payments, and any other recurring debt obligations. Do not include your current rent or utilities, as these are not debt payments in the lender's calculation. Your down payment can be entered either as a fixed dollar amount or as a percentage of the home price by using the toggle button next to the field.
The interest rate field should reflect the current mortgage rate you expect to qualify for. You can use the preset buttons to quickly switch between 15, 20, and 30-year loan terms. Enter your local property tax rate as a percentage of home value — the national average is approximately 1.1%, but this varies significantly by state and county. Add your estimated annual homeowners insurance premium and any monthly HOA fees if applicable.
The results instantly show your maximum home price, maximum loan amount, monthly PITI payment broken down into its components, and your DTI ratios with a recommendation badge. The pie chart visualizes how your monthly payment is distributed across principal and interest, property taxes, insurance, and HOA fees. Use the Advanced section to adjust DTI limits if your lender uses different thresholds than the standard 28/36 rule.
The 28/36 Rule Explained
The 28/36 rule is the foundational guideline lenders and financial planners use to determine how much house you can afford. It consists of two separate limits applied to your gross monthly income (your income before taxes and other deductions).
The front-end ratio, sometimes called the housing ratio, states that your total monthly housing costs should not exceed 28% of your gross monthly income. Total housing costs include your principal and interest mortgage payment, property taxes, homeowners insurance, and HOA fees — collectively known as PITI. For example, if you earn $6,250 per month ($75,000 per year), your maximum monthly housing payment would be $1,750 (28% of $6,250).
The back-end ratio, also called the total debt ratio, states that all your monthly debt obligations combined should not exceed 36% of your gross monthly income. This includes your housing payment plus all other recurring debts such as car loans, student loans, and credit card minimum payments. Using the same example, with $1,000 in monthly debts, your maximum allowable housing payment from the back-end ratio would be $1,250 (36% of $6,250 minus $1,000 in existing debts).
The calculator automatically takes the more restrictive of these two limits. In the example above, the back-end limit ($1,250) is more restrictive than the front-end limit ($1,750), so $1,250 becomes your effective maximum housing payment. This is the conservative and accurate approach that mirrors how mortgage underwriters evaluate loan applications.
Many lenders today allow slightly higher ratios — some go up to 31% front-end and 43% back-end for conventional loans, or even higher for FHA loans. However, staying within the traditional 28/36 limits is recommended to ensure you have sufficient cash flow for savings, emergencies, and maintaining your home. You can adjust these limits in the Advanced section of the calculator to explore different scenarios.
Factors That Affect Home Affordability
Interest Rate: Your mortgage interest rate has a dramatic effect on affordability. A difference of just 1% in interest rate can change your maximum home price by tens of thousands of dollars. With a 6% rate on a 30-year loan, every $100,000 borrowed costs approximately $600 per month. At 7%, that same $100,000 costs about $665 per month — a 10% increase in payment for a 1% rate increase.
Annual Income: Income is the single largest factor in how much house you can afford. Lenders evaluate your income stability and history alongside the amount. A raise, new job, or additional income streams can meaningfully increase your affordability. Keep in mind that lenders typically require two years of employment history in the same field to count income reliably.
Monthly Debts: Existing debts directly reduce the amount you can allocate to housing. Paying down debts before applying for a mortgage — particularly high-balance installment loans and credit cards — is one of the most effective ways to increase your home-buying budget. Every $100 reduction in monthly debt payments can increase your maximum home price by approximately $15,000 to $20,000 depending on interest rates.
Down Payment: A larger down payment reduces your loan amount, which lowers your monthly payment and increases your maximum home price. It also eliminates the need for private mortgage insurance (PMI) when you put down 20% or more, further reducing your monthly costs. A 20% down payment on a $400,000 home saves you approximately $150-250 per month in PMI premiums.
Property Taxes and Insurance: These ongoing costs are often underestimated by first-time buyers. Property tax rates vary enormously by location — from under 0.5% in some states to over 2% in others. In high-tax areas, property taxes alone can consume a significant portion of your DTI limit, substantially reducing the maximum loan you can afford. Always research the specific tax rates in your target neighborhood before making an offer.
Frequently Asked Questions
What is a debt-to-income ratio (DTI)?
A debt-to-income ratio (DTI) is the percentage of your gross monthly income that goes toward paying debts. There are two types used in mortgage lending: the front-end DTI (housing costs only, typically limited to 28%) and the back-end DTI (all monthly debts including housing, typically limited to 36%). Lenders use DTI to assess your ability to manage monthly payments and repay debts. A lower DTI indicates more financial flexibility and generally results in better loan terms.
How much should I put down on a home?
The conventional wisdom is to put down at least 20% to avoid PMI and secure the best rates, but this is not always practical. FHA loans allow down payments as low as 3.5% with a credit score of 580 or higher. Conventional loans can be obtained with as little as 3% down, though PMI will apply until you reach 20% equity. The right down payment depends on your savings, how long you plan to stay in the home, your local market, and your overall financial situation. Use this calculator to see how different down payment amounts affect your maximum home price and monthly payment.
What is included in a PITI payment?
PITI stands for Principal, Interest, Taxes, and Insurance — the four components of a complete monthly housing payment. Principal is the portion of your payment that reduces your loan balance. Interest is the cost of borrowing charged by your lender each month. Taxes refers to your property taxes, typically collected monthly and held in escrow by your lender. Insurance includes your homeowners insurance premium, also usually escrowed. If you have PMI or HOA fees, these are sometimes added to the acronym as PITIA. Lenders use your total PITI payment to calculate your front-end DTI ratio.
Can I afford more house with a lower DTI?
Yes. If your actual DTI ratios come out well below the 28/36 limits — for example, a front-end DTI of 20% — it means you have room to afford a more expensive home while still staying within lender guidelines. The calculator shows your recommendation as "Conservative" when your front-end DTI is at or below 25%, "Moderate" between 25% and 33%, and "Aggressive" above 33%. The Conservative zone provides the most financial cushion for unexpected expenses, while the Aggressive zone leaves little room for error. Just because you can afford a more expensive home does not always mean you should buy at your maximum budget.
How do property taxes affect affordability?
Property taxes are included in your PITI payment and count toward your front-end DTI limit. In high-tax states like New Jersey (effective rate ~2.2%) or Illinois (~2.1%), property taxes can consume a substantial share of your housing budget. For a $400,000 home in a 2% tax area, property taxes alone add $667 per month to your PITI. Compare this to a 0.5% tax rate, which adds only $167 per month — a $500 monthly difference that translates to roughly $75,000-$100,000 in additional home-buying power. Always factor in local property taxes when comparing homes in different areas.
Should I use gross or net income for affordability?
Mortgage lenders always use gross income (before taxes) for DTI calculations, so this calculator uses gross income as well. However, for your own personal budgeting and sanity checking, it is wise to also consider your net (after-tax) income to make sure the payment is truly comfortable. In high-income-tax states or for people with significant self-employment taxes, the difference between gross and net can be 30-40%. A housing payment that consumes 28% of gross income might actually represent 40% or more of your take-home pay, which can be a significant financial strain. Use the budget planner tool in conjunction with this calculator to verify the payment works within your actual monthly cash flow.
Tips for First-Time Home Buyers
- Get pre-approved before shopping — a pre-approval letter shows sellers you are a serious buyer and gives you a firm budget to work within. It also reveals any credit or income issues you need to address before applying.
- Budget well below your maximum — just because a lender approves you for a certain amount does not mean you should spend that much. Leave room in your budget for furnishings, repairs, property tax increases, and unexpected expenses. Aim for a payment that feels easy, not stretched.
- Pay down high-balance debts first — eliminating a car loan or credit card balance before applying for a mortgage can meaningfully increase your maximum home price by improving your back-end DTI ratio. Even a modest debt reduction can make a significant difference.
- Research first-time buyer programs — many states and localities offer down payment assistance grants, forgivable loans, or reduced-rate mortgage programs for first-time buyers. These programs can dramatically reduce the upfront cash required to purchase a home.
- Factor in all ownership costs — beyond PITI, homeownership includes maintenance (budget 1-2% of home value annually), utilities (often higher than renting), landscaping, pest control, and unexpected repairs. A thorough home inspection before purchase can prevent costly surprises.
- Compare loan types, not just rates — explore conventional, FHA, VA, and USDA loans to find the best fit for your situation. FHA loans have lower credit score requirements, VA loans offer zero down payment for eligible veterans, and USDA loans can finance homes in rural areas with no down payment. Each loan type has different mortgage insurance rules and qualification criteria.
Disclaimer
This calculator is provided for informational and educational purposes only. Results are estimates based on the information you provide and may not reflect actual loan terms, interest rates, or total costs offered by lenders. This tool does not constitute financial or legal advice. Consult a qualified mortgage professional or financial advisor before making any borrowing decisions. CalculatorTray is not responsible for any decisions made based on these estimates.