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حاسبة نسبة الدين إلى الدخل (DTI) — حاسبة مجانية عبر الإنترنت | HomeCalcPro

حسابات دقيقة وفورية باستخدام الصيغ الرياضية القياسية لـ حاسبة نسبة الدين إلى الدخل (DTI).

Income & Monthly Debt Parameters

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Debt-to-Income (DTI) Ratios

Transparent mathematical methodology explained in plain English.

Front-End DTI = (Housing Expenses / Gross Monthly Income) × 100% | Back-End DTI = (Total Monthly Debt / Gross Monthly Income) × 100%

Front-end DTI evaluates prospective housing costs (PITI + HOA) against gross monthly income. Back-end DTI evaluates all recurring debt obligations (housing + cards + auto + student loans) against gross monthly income.

Variables Explained:

  • Gross Monthly Income: Total pretax monthly earnings across all borrowers.
  • Housing Expenses: Proposed monthly mortgage principal, interest, taxes, insurance, and HOA fees (PITI).
  • Total Monthly Debt: Housing costs plus all monthly minimum debt payments (credit cards, auto loans, student loans, personal debt).
Real Project Example

$8,500 Gross Income with $2,300 Housing & $800 Non-Housing Debt

Evaluating homebuyer qualification under the standard 28/36 benchmark.

Sample Project Inputs:
Gross Monthly Income:$8,500
Proposed Housing Payment (PITI):$2,300
Other Monthly Debts:$800
Step-by-Step Calculation:
  1. Calculate Front-End DTI: ($2,300 / $8,500) × 100 = 27.06%.
  2. Calculate Total Recurring Debt: $2,300 + $800 = $3,100.
  3. Calculate Back-End DTI: ($3,100 / $8,500) × 100 = 36.47%.
  4. Compare against lending guidelines: Front-end (27.1%) is under the 28% guideline; Back-end (36.5%) is within conventional lender allowance (typically up to 36%–43%).
Calculated Answer:Front-End DTI: 27.1% (Good) | Back-End DTI: 36.5% (Qualified for Conventional/FHA).
Verified Calculation StandardsE-E-A-T Verified

Formulas calibrated against Standard Compound Amortization Algebraic Models & Truth in Lending (TILA) Formula Standards. Calculations are computed 100% client-side in your browser for absolute data privacy.

Knowledge Base

الأسئلة الشائعة (FAQ): حاسبة نسبة الدين إلى الدخل (DTI)

Click any question below to expand quick answers, formulas, and expert tips.

What is a good Debt-to-Income (DTI) ratio for buying a house?

Most conventional mortgage lenders prefer a front-end DTI of 28% or lower and a back-end DTI of 36% or lower (the classic 28/36 rule). However, FHA loans frequently allow back-end DTIs up to 43%–50% with strong compensating factors.

What debts are included in the back-end DTI ratio?

Back-end DTI includes all minimum monthly debt payments reported on your credit bureau: credit card minimums, auto loan payments, student loans, personal loans, child support/alimony, and the proposed housing payment. Non-debt monthly expenses like groceries, utilities, and cell phone bills are excluded.