How does the conventional loan affordability calculator work?

Our calculator uses your gross monthly income, existing debt payments, credit score, desired down payment, and property costs to determine the maximum home price you can afford while staying within conventional loan DTI limits (typically 41-45%). It calculates principal, interest, taxes, insurance, PMI, and HOA fees to give you a complete monthly payment estimate.

How accurate is this affordability calculator?

Our calculator uses current 2026 conventional loan guidelines and real PMI rate tables from major insurers. Estimates are typically within 5-10% of actual lender calculations. The tool factors in credit score impacts on PMI rates, DTI limits based on loan program, and regional property cost variations for realistic results.

What's the difference between conventional and FHA affordability calculators?

Conventional loans typically have stricter DTI requirements (41-45% vs FHA's 43-50%) and PMI rates that vary by credit score, while FHA uses fixed MIP rates. Conventional loans require 3-20% down vs FHA's 3.5% minimum. Our calculator uses actual lender PMI rate tables and conventional-specific guidelines.

How does credit score affect my affordability?

Credit score significantly impacts both your interest rate and PMI costs. Higher scores (740+) get the best PMI rates, lowering your monthly payment and increasing your purchasing power. Scores below 680 may face higher PMI costs and stricter DTI requirements, reducing affordability.

Can I estimate closing costs with this calculator?

Yes, our calculator includes closing cost estimation (typically 2-5% of loan amount) and seller contribution options. You can adjust closing cost percentages and see how seller concessions affect your cash needed at closing.

What debt-to-income ratio should I target?

For conventional loans, aim for 41% or lower for manual underwriting, though Automated Underwriting Systems may approve up to 50% with strong compensating factors. We recommend keeping your total DTI (including new mortgage) below 45% for better loan terms and financial flexibility.

How do I eliminate PMI from my calculation?

PMI is automatically removed when you select 20% or higher down payment. You can also compare scenarios to see how increasing your down payment affects PMI costs. PMI typically drops off automatically when you reach 22% equity, or you can request removal at 20% equity.

What expenses are included in the monthly payment estimate?

Our calculator includes Principal, Interest, Property Taxes, Homeowners Insurance, Private Mortgage Insurance (if applicable), and HOA fees. It provides separate line items for each cost so you understand exactly what makes up your total monthly payment.

Calculate Loan Amount From Payment

Knowing how much house you can afford is the first step in your home buying journey. Our mortgage affordability calculator takes the guesswork out of budgeting by analyzing your income, debts, and credit profile to determine your maximum purchase price across multiple loan programs.

Whether you're considering a conventional, FHA, VA, or USDA loan, this tool provides accurate monthly payment estimates including principal, interest, taxes, insurance, and mortgage insurance—all in one place. Enter your financial information and discover your true buying power today.

Personal Information

Gross Monthly Income ($): Monthly Debt Payments ($): Credit Score:

Loan Program

Select Loan Program:

Loan Details

Down Payment: Target DTI Ratio (%): Loan Term (years): Interest Rate (%): Loan Type: (Choose Fixed Rate or Adjustable Rate)

Insurance & Fees

Private Mortgage Insurance:
PMI will be automatically calculated based on your down payment percentage, credit score, and loan type.

PMI Requirements:
• 20%+ down payment: No PMI required
• Less than 20% down: PMI required

PMI Rate Factors:
• Loan-to-Value (LTV) Ratio: Higher LTV = Higher PMI
• Credit Score: Lower score = Higher PMI
• Loan Type: Adjustable Rate = Higher PMI than Fixed Rate
• LTV Ranges: 97-95%, 95-90%, 90-85%, 85% and below

Property Costs

Closing Costs (% of loan amount):

Annual Property Taxes (% of home price):

Annual Insurance (% of home price):

Monthly HOA ($):

Seller Contribution

Seller Pays Buyer's Closing and Prepaid Expenses up to:

Seller Concession Limits by Down Payment:
• 0-9.99% down: Max 3% seller contribution
• 10-24.99% down: Max 6% seller contribution
• 25%+ down: Max 9% seller contribution

Field Explanations

Gross Monthly Income ($): Enter your total gross monthly income before taxes and deductions. Include salary, bonuses, overtime, and other regular income sources. (Use our income calculator for detailed calculations)

Monthly Debt Payments ($): Include all minimum monthly debt payments such as credit cards, auto loans, student loans, personal loans, and other recurring debt obligations. Do not include utilities or proposed mortgage payment. How much are your monthly expenses? Out Debt to income calculator will help.

Credit Score: Select your credit score range. Higher scores qualify for better PMI insurance rates and loan terms. Most people have three credit scores. But what is the credit score for a husband and wife, or two home buyers? Our credit score analyzer can give you the credit score lenders use.
See Credit Score Average Calculator

Down Payment: Choose the percentage of the home price you plan to pay upfront. Remember: 20% or more eliminates insurance requirements.

Target DTI Ratio (%): Select your debt-to-income ratio limit based on loan program requirements and your financial profile. This determines how much of your income can go toward all debt payments including the new mortgage.

Loan Term (years): Length of the mortgage loan, typically 15 or 30 years. Shorter terms have higher monthly payments but lower total interest costs.

Interest Rate (%): Enter the current mortgage interest rate you expect to receive based on market conditions and your creditworthiness.

Loan Type: Choose between Fixed Rate (interest rate stays the same throughout the loan) or Adjustable Rate (interest rate can change over time). Note: Adjustable rates typically have higher insurance costs.

Private Mortgage Insurance: Automatically calculated when down payment is less than 20%. Insurance rates vary by credit score, down payment amount, and loan type. Insurance protects the lender if you default on the loan. This calculator uses the monthly premium and provides only an estimate — costs vary by lender and property location.

Closing Costs (% of loan amount): Select the percentage for title insurance, transfer taxes, settlement fees, title search, and other closing expenses. Rates vary by location and lender.

Annual Property Taxes (% of home price): Enter your local property tax rate as a percentage of home value. Check with your local tax assessor for accurate rates in your area.

Annual Insurance (% of home price): Enter your homeowner's insurance cost as a percentage of home value. Rates vary by location, home type, and coverage level.

Monthly HOA ($): Enter monthly homeowner's association fees if applicable. Include any special assessments or additional community fees.

Seller Contribution: Amount the seller pays toward buyer's closing costs and prepaid expenses. Maximum contribution limits are based on down payment percentage: 0–9.99% down = max 3%, 10–24.99% down = max 6%, 25%+ down = max 9%.

Calculate Loan Amount From Payment

Qualification Gap Analysis

Scenario Comparison

Monthly Cash Flow Analysis

Loan Program Recommendations

Field Explanations