Home buying
Estimate a home-price range from income, monthly debts, down payment, mortgage assumptions and front-end and back-end ratios.
Estimated maximum home price
$358,511.10
Maximum loan amount
$308,511.10
Maximum monthly housing payment
$2,600.00
Principal and interest portion
$1,950.00
Limiting ratio
Total debt ratio
Result comparison
This is not a loan approval. Lenders use credit, reserves, taxes, insurance, program rules and verified documents not modeled here.
Calculation method
After non-mortgage housing costs are removed, the remaining monthly payment is converted to loan principal with the standard fixed-rate mortgage present-value formula.
Detailed guide
A house affordability calculator starts with gross monthly income rather than a target home price. The front-end ratio limits housing costs as a share of income. The back-end ratio limits housing costs plus other debt payments. The lower available payment becomes the constraint.
Property tax, homeowners insurance and HOA are subtracted before the remaining amount is converted into mortgage principal. Adding the down payment gives an estimated home price. The result is a planning boundary, not a lender decision or a personal recommendation.
After non-mortgage housing costs are removed, the remaining monthly payment is converted to loan principal with the standard fixed-rate mortgage present-value formula.
This page asks for monthly tax and insurance values because a percentage of an unknown home price would make the calculation circular. Use local estimates you have independently verified.
Decision guide
Top affordability pages use income, monthly debts, down payment, debt-to-income assumptions, interest, taxes, and insurance. The result is an estimate of financing capacity, not a recommendation to spend the maximum amount.
Base the calculation on income likely to continue and translate it to the period required by the form. Variable bonuses or commissions deserve a conservative case. Compare gross-income ratios with the cash actually available after taxes and benefits.
Principal and interest are only the loan portion. Add property tax, homeowners insurance, mortgage insurance when applicable, association dues, maintenance, and utilities. Annual amounts should be converted to monthly values consistently.
The down payment competes with closing costs, moving, immediate repairs, and emergency savings. Test a smaller down payment if the larger one would leave no reserve, even when it produces a lower loan payment.
Increase the rate, taxes, insurance, or maintenance estimate and reduce income temporarily. A price that remains manageable under those cases is more informative than the largest number generated by a ratio.
Save a baseline, then change only one input at a time: amount, rate, term, or recurring payment. Record the supporting outputs as well as the headline result—contributions, interest, total cost, remaining balance, or target date. This isolates the assumption that actually changes the decision instead of hiding it inside several simultaneous edits.
Do not tune every assumption until the calculator produces a preferred answer. Start with a cautious case, follow with a central case, and treat the favorable case as an upside scenario. A calculator result is not a lender quote, market forecast, or tax determination; actual dates, rounding, fees, contract rules, and required payments must be checked in primary documents.
Keep enough precision in the inputs and round only the output used for a decision. If the estimate supports a transaction, loan, tax calculation, or long-term plan, repeat it with figures from the contract or official statement. Any difference helps identify the assumption that still needs verification.
Programs and lenders may use different ratios or allow exceptions. The ratios here are user-controlled assumptions.
The down payment is not the only upfront cost. Closing costs and reserves are not subtracted from available cash.
A lender maximum may leave too little room for maintenance, savings or irregular expenses. Compare the payment with your actual budget.
Enter gross income, debts, down payment and a realistic all-in housing-cost estimate. The result shows the price supported by the selected ratios.
Yes, when you enter their monthly amounts. PMI and other charges can be added to the HOA field as a conservative combined estimate.
No. Affordability starts with income and debt limits. The mortgage calculator starts with a chosen home price and calculates its payment.
These primary sources explain the rules and concepts referenced by this calculator. The calculation itself uses only the assumptions entered above.
Updated: August 1, 2026
Useful comparisons
Calculate fixed or declining payments, total interest and a downloadable amortization schedule.
Estimate principal, interest, property tax, insurance, HOA, PMI and the amortization schedule.
Compare estimated homeowner equity with a renter investment account after mortgage costs, rent growth, appreciation and transaction costs.