Home Affordability Calculator
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Before browsing property listings or visiting sample flats, the first practical step is determining your genuine purchasing ceiling. Buying a house involves two separate financial tests: whether your regular monthly income satisfies bank lending limits, and whether you possess sufficient liquid savings to cover the mandatory down payment plus closing costs.
This calculator determines your maximum affordable property price based on banking standards used across Indian public and private lenders, helping you establish a realistic budget before committing to booking tokens.
What this calculator does
The Home Affordability Calculator translates your net monthly take-home income and existing debt obligations into three concrete numbers:
- Your maximum allowable monthly home loan EMI under standard banking debt limits.
- The maximum home loan principal a bank will sanction at your chosen interest rate and tenure.
- The total property purchase price you can afford assuming a standard 80% Loan-to-Value (LTV) ratio (requiring a 20% down payment).
How to use this calculator
- Net monthly income: Enter your regular take-home salary after PF and tax deductions. If applying jointly with a spouse, enter your combined monthly net income.
- Existing monthly EMIs: Enter the sum of all current ongoing monthly debt obligations, including car loans, two-wheeler loans, personal loans, education loans, and consumer durable EMIs.
- EMI-to-income limit (FOIR): The percentage of net income lenders permit for total debt servicing. 50% is standard; 40% represents conservative planning.
- Home loan rate: The prevailing floating home loan interest rate (typically 8.35% to 8.75%).
- Loan tenure: The repayment duration in years (most salaried borrowers select 20 to 25 years).
Understanding FOIR (Fixed Obligation to Income Ratio)
Indian banks do not evaluate home affordability by looking at gross annual CTC. Instead, they apply a risk metric known as FOIR (Fixed Obligation to Income Ratio):
Lenders cap FOIR at 40% to 50% to ensure you retain sufficient cash flow for everyday household groceries, utilities, children's school fees, insurance premiums, and emergency savings. If your existing debts already consume 25% of your salary, your remaining borrowing capacity for a home loan is heavily curtailed.
A realistic affordability breakdown
Consider a salaried borrower in Bengaluru or Mumbai with the following profile:
| Input / Metric | Figure |
|---|---|
| Net monthly take-home salary | ₹1,20,000 |
| Existing vehicle EMI | ₹10,000 / month |
| Lender FOIR ceiling | 50% |
| Total allowable debt outgo (50% of ₹1.2L) | ₹60,000 |
| Available home loan EMI capacity (₹60,000 − ₹10,000) | ₹50,000 / month |
| Loan terms | 8.5% interest, 20-year tenure |
| Maximum eligible loan amount | ₹57,61,542 |
| Required down payment (20% under 80% LTV) | ₹14,40,385 |
| Maximum affordable property price | ₹72,01,927 |
In this scenario, an applicant with a ₹1.2 Lakh monthly salary can purchase a flat valued up to roughly ₹72 Lakh, provided they have at least ₹14.4 Lakh in liquid cash for the down payment, plus approximately ₹5 Lakh for stamp duty and registration.
Common mistakes when budgeting for a home
- Confusing loan eligibility with true affordability: Just because a bank is willing to sanction an 80% loan does not mean your household budget will be comfortable. Budgeting at a 40% FOIR provides a safer cushion against unexpected medical expenses or job transitions.
- Forgetting upfront acquisition charges: The purchase price on the agreement is not your final cost. Stamp duty (5%–7%), registration fees (1%), GST on under-construction units (1% or 5%), society maintenance advance deposits, and interior design can add 10% to 15% in out-of-pocket cash requirements.
- Overestimating tenure capability: Lenders cap home loan tenures at retirement age (usually age 60 for salaried employees). If you are 45 years old, banks will restrict your tenure to 15 years, increasing the required monthly EMI for the same loan principal.
Frequently asked questions
What is FOIR and what percentage do Indian banks typically permit?
FOIR stands for Fixed Obligation to Income Ratio. It is the percentage of your net monthly income that can go toward servicing debt (home loan, car loan, personal loan, credit card EMIs). Indian banks usually allow 40% to 50% FOIR for salaried borrowers, though it can rise to 60% for high-income earners earning over ₹1.5 Lakh per month.
How does an existing car loan or personal loan impact home affordability?
Existing EMIs are deducted directly from your allowable FOIR budget. For example, if your net monthly salary is ₹1,20,000 and your FOIR limit is 50% (₹60,000), an existing car loan EMI of ₹10,000 reduces your available home loan EMI capacity to ₹50,000, cutting your eligible loan amount by over ₹11 Lakh.
Does this calculator include stamp duty and registration expenses?
No. The calculator estimates the base property purchase price and the 20% down payment required. Closing costs such as stamp duty (5%–7%), registration fees (1%), legal fees, and interior woodwork must be budgeted separately from your liquid savings.
Can adding a co-applicant increase my home loan affordability?
Yes. Adding a working spouse, parent, or sibling as a co-applicant allows lenders to combine both net monthly salaries, substantially increasing total FOIR borrowing capacity.
Related real estate and loan calculators
- Home Loan EMI Calculator — Compute exact monthly repayments and amortisation breakdown.
- Rent vs Buy Home Calculator — Compare financial outcomes between buying and continuing to rent.
- Loan Eligibility Calculator — General borrowing eligibility across multiple loan categories.
- Debt to Income Ratio Calculator — Check your comprehensive debt obligations against salary.
Trust, accuracy and transparency
Educational purpose
FinToolkit is an educational tool. Nothing here is investment, tax, insurance or legal advice, and no result should be treated as an offer or a quote.
Financial accuracy
Every result is produced by a published formula running at full double precision in your browser. Only the displayed figures are rounded.
Formula verification
Each formula is checked against the standard method used by Indian lenders, fund houses, insurers or the relevant statute, and re-verified whenever rules change.
Data sources
Rules and rates are taken from official sources such as the Income Tax Department, RBI, SEBI, EPFO, PFRDA and India Post.
Privacy commitment
Calculations run entirely on your device. We do not store, transmit or sell the figures you enter. See our privacy policy.
Review policy
Pages carry a last-updated and next-review date. Corrections are welcome through the contact page.