Home Buying Planning Tool

Mortgage Affordability Calculator

Use this mortgage affordability calculator to estimate a potential home purchase price based on income, monthly debts, down payment, interest rate, loan term, taxes, insurance, HOA dues, and a selected debt-to-income ratio. Results are for educational planning only and do not represent loan approval, a rate quote, loan terms, or a commitment to lend.

Estimate your homebuying budget

Debt-to-income ratio is only one part of mortgage qualification. Actual loan eligibility depends on credit profile, income, assets, debts, property details, loan program, interest rate, market conditions, documentation, and underwriting approval.

Estimated home affordability

  • Estimated loan amount
  • Estimated monthly housing payment
  • Estimated principal and interest
  • Estimated monthly property taxes
  • Estimated monthly homeowners insurance
  • Estimated monthly HOA
  • Estimated monthly PMI
  • Selected DTI assumption
  • Estimated front-end DTI
  • Estimated back-end DTI

Planning estimate

Enter your assumptions to view an educational estimate.

Affordability by DTI assumption

DTI assumptionEstimated purchase price
36%
40%
43%

This mortgage affordability calculator is for educational and estimate purposes only. Results are not a loan approval, pre-approval, loan estimate, rate quote, or commitment to lend. Actual loan eligibility, loan amount, interest rate, monthly payment, closing costs, cash-to-close, and program availability depend on borrower qualifications, credit profile, income, assets, debts, property details, loan program, market conditions, and underwriting approval. Terms and conditions may apply.

Helpful Mortgage Tools

Related calculators and loan resources

What Is a Mortgage Affordability Calculator?

A mortgage affordability calculator helps estimate a possible purchase price range based on income, monthly debts, down payment, interest rate, taxes, insurance, HOA, PMI, and DTI assumptions. It is a planning tool, not an approval decision.

How Mortgage Affordability Is Estimated

Affordability is commonly influenced by gross income, existing debt, housing payment, down payment, loan term, interest rate, property taxes, homeowners insurance, HOA dues, and mortgage insurance. For payment planning, you can also compare this estimate with the mortgage calculator.

What Is Debt-to-Income Ratio?

Debt-to-income ratio compares monthly debt payments with gross monthly income. Mortgage lenders may review both housing payment and total monthly debts, but requirements vary by loan program and underwriting guidelines.

What Can Affect How Much Home You May Be Able to Afford?

Income, credit profile, monthly debts, down payment, interest rate, loan term, property taxes, homeowners insurance, HOA dues, mortgage insurance, property type, occupancy, loan program, reserves/assets, and underwriting requirements can all affect a home affordability estimate.

Affordability Calculator FAQs

Common home affordability questions

Is this mortgage affordability calculator a pre-approval?

No. This calculator is for educational and estimate purposes only. It is not a loan approval, pre-approval, loan estimate, rate quote, or commitment to lend. Actual eligibility depends on the full loan application, borrower qualifications, credit profile, income, assets, debts, property details, loan program, and underwriting approval.

How much home may I be able to afford?

Your estimated home affordability depends on income, monthly debts, down payment, interest rate, loan term, property taxes, homeowners insurance, HOA dues, mortgage insurance, and the loan program. This calculator provides a planning estimate, but a mortgage professional can review your full scenario in more detail.

What monthly debts should I include?

Include monthly debts such as car payments, student loans, credit card minimum payments, personal loans, installment loans, and other recurring debt obligations. Actual underwriting may review additional liabilities depending on the loan program and documentation.

Does my down payment affect affordability?

Yes. A larger down payment may reduce the estimated loan amount and monthly payment. Down payment requirements vary by loan program, property type, occupancy, borrower profile, and underwriting guidelines.

Are property taxes, insurance, HOA dues, and PMI included?

This calculator allows you to include estimated property taxes, homeowners insurance, HOA dues, and mortgage insurance. These costs can affect the estimated monthly housing payment and affordability calculation. Actual costs may vary by property and loan program.

What debt-to-income ratio should I use?

Debt-to-income ratio assumptions vary by loan program, borrower profile, credit, assets, and underwriting guidelines. The DTI setting in this calculator is only a planning assumption and does not guarantee loan eligibility or approval.

Can jumbo buyers use this affordability calculator?

Yes. Jumbo buyers may use the calculator for planning, but jumbo loan requirements can vary based on loan amount, property type, credit profile, reserves, income documentation, and underwriting guidelines.

Can medical professionals and nurses use this calculator?

Yes. Medical professionals, nurses, and other borrowers can use the calculator to estimate a possible purchase price range. Eligible borrowers may also want to compare available loan programs with TopOne Mortgage.

Next Step

Want to review your home affordability estimate?

Contact TopOne Mortgage to compare mortgage options in Maryland, Virginia, and Washington, DC.

TopOne Mortgage, Company NMLS ID #208532 | Christina Williams, Mortgage Loan Originator, licensed in MD, VA & DC, NMLSR #1727835 | www.nmlsconsumeraccess.org