Free Tool
Loan Affordability Calculator
Estimate how much you can responsibly borrow based on your income and existing debt.
Income & Existing Debt
Before taxes. Include all sources.
Car, student loans, credit cards, etc. (not rent).
Loan Terms
Property tax + homeowners insurance annually.
Standard Affordability (31/43 DTI)
Max Purchase Price
Max Loan Amount
Max Monthly Payment (P&I)
Back-End DTI
Affordability by DTI Threshold
| Scenario | Max Payment | Max Loan | Max Purchase |
|---|---|---|---|
Down Payment Impact
How your down payment affects your loan and DTI at the max purchase price above.
| Down Payment | Amount | Loan | Payment | Back DTI |
|---|---|---|---|---|
Rate Sensitivity — Payment on Max Loan
Your Back-End DTI at Max Loan
Your back-end DTI: —
What Lenders Actually Evaluate
Housing payment ÷ gross income. Most conventional lenders cap at 28%.
All debts + housing ÷ income. FHA allows up to 57% with compensating factors.
Affects rate, not max loan. A 760+ score unlocks the best available rates.
Most lenders want 2–6 months of PITI in savings after closing.
Educational content only. This page is for informational purposes and does not constitute legal, tax, or personal financial advice. Results vary. Laws and bureau processes change. Consult the CFPB, FTC, and AnnualCreditReport.com for authoritative guidance. Full disclaimer
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