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Finance & InvestmentEntry № 01.18Documented Formula

Home Loan Eligibility Calculator

Estimates maximum borrowing capacity based on monthly income, existing debt obligations, loan tenure, and bank FOIR parameters.

Popular Searches:How much home loan can I get on ₹75,000 monthly income?What is FOIR (Fixed Obligation to Income Ratio) in banking?How existing car/personal EMIs reduce home loan eligibilityImpact of longer tenure (30 years) on borrowing capacity
Bank Borrowing Capacity & FOIR Engine
$75,000.00 / mo
$
$
%
20 Years (240 Months)
5 Yrs15 Yrs20 Yrs30 Yrs
Industry standard: 50%
Borrowing Limit
Max Eligible Loan Amount
$3,168,848.10
Based on max new EMI capacity of $27,500.00/month
Max Allowable EMI$27,500.00 / mo
Total Interest Payable$3,431,151.90
Total Repayment$6,600,000.00
Max EMI = (Salary · FOIR%) − Existing EMIs
Mathematical Proof & FormulaStandard Mathematical Notation

How This Calculation Formula is Formulated

Banks evaluate maximum home loan eligibility using the Fixed Obligation to Income Ratio (FOIR). Most banks limit total monthly debt obligations (including all current loans plus the new home loan EMI) to 40%–50% of your net monthly salary. The available EMI capacity is then discounted at the prevailing interest rate across the tenure.

Standard Algebraic Representation
\text{Eligible Loan} = \text{Max EMI} \times \left[ \frac{(1+r)^n - 1}{r(1+r)^n} \right]
Documented algebraic formula with transparent derivation and reference notes.

Variable Definitions & Measurement Units

I
Net Monthly Income
Take-home salary after taxes and PF deductions
FOIR
FOIR Limit
Maximum allowable debt burden (typically 50% for middle-to-high income)
E_{exist}
Existing EMIs
Current active monthly debt payments (car, personal, student loans)
r
Monthly Rate
Annual home loan interest rate divided by 12
n
Tenure
Repayment tenure in months (e.g., 20 years = 240 months)
Step-by-Step Calculation Example

Salary of ₹75,000, Existing EMI ₹10,000, 20-Year Loan at 8.5%

Net Monthly Salary:₹75,000Existing EMIs:₹10,000Interest Rate:8.5% p.a.Tenure:20 Years (240 Months)
1
Total Allowable Debt Capacity (50% FOIR)
₹75,000 × 50% = ₹37,500 total monthly capacity
Maximum total loan servicing capacity.
2
Available Home Loan EMI
₹37,500 − ₹10,000 (existing) = ₹27,500 / month
Maximum allowable EMI for the new home loan.
3
Present Value Loan Calculation
PV = ₹27,500 × [((1 + 0.007083)²⁴⁰ − 1) / (0.007083 × (1 + 0.007083)²⁴⁰)] = ₹31,69,820
Present value discounted at monthly rate.
Conclusion: On a ₹75,000 salary with ₹10,000 existing EMI, your maximum eligible loan is ₹31,70,000.
In-Depth Editorial Analysis

How to Boost Home Loan Eligibility

1. Add a Co-Applicant: Adding your earning spouse or parent as a co-borrower combines incomes, dramatically increasing your borrowing limit under bank FOIR guidelines.

2. Close Existing Personal Loans: Every ₹5,000 of existing personal loan EMI you close increases your home loan borrowing capacity by approximately ₹5.5 to ₹6.0 Lakhs on a 20-year tenure.

3. Choose a Longer Tenure: Extending your tenure from 15 to 25 years reduces the per-month EMI factor, increasing eligible loan amounts.

Frequently Asked Questions

Frequently Asked Questions About Home Loan Eligibility Calculator

What is FOIR in home loan processing?

FOIR stands for Fixed Obligation to Income Ratio. It is the percentage of your net monthly salary that can be used to service debt (typically 40% for salaries under ₹50k, and 50%–60% for higher income earners).

How does a credit score (CIBIL) impact loan eligibility?

A CIBIL score of 750+ qualifies you for the lowest interest rates (e.g., 8.35% vs 9.25%). Lower rates directly increase the loan amount you qualify for with the same EMI.

Will bank finance 100% of property cost?

No. Under RBI regulations, banks can fund up to 80% to 90% of the agreement value (Loan-to-Value or LTV ratio). Borrowers must pay the remaining 10%–20% down payment from own funds.

Can rental income increase my home loan eligibility?

Yes. Documented rental income from existing properties (via registered rent agreements and bank credit statements) is added to your gross income by most lenders.

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Deterministic Precision & 100% Client-Side Privacy

All calculations execute in your local browser using IEEE 754 double-precision floating-point arithmetic. Your figures and financial metrics remain private and are never uploaded or saved to any cloud servers.