Home Affordability Calculator - Estimate Your House Purchase Budget

Calculate your maximum realistic home buying budget including loan limits and stamp duty fees.

Reviewed for Budget 2025 • Last updated 22 June 2026 • by Sandesh D.

Affordability Parameters

Net Monthly Income₹1,50,000
₹
Existing EMIs / Obligations₹20,000
Available Down Payment₹10,00,000
₹
Interest Rate (%)8.5%
Tenure (Months)240 Mos
FOIR Limit (%)50%
Stamp Duty Rate (%)7%

Affordability Summary

Loan Component (86%)Down Payment / Taxes (20%)
Max Property Price (Affordable)₹68,57,660
Maximum Eligible Loan₹63,37,696
Comfortable Monthly EMI₹55,000
Stamp Duty & Registration (Taxes)₹4,80,036
💡 Next Step: Want to see what stamp duty rules apply to your specific state? Use the Stamp Duty Calculator.
Home Loan Partner

Apply for a Home Loan

Compare interest rates from 30+ lenders. Get instant digital approval with minimal paperwork.

Check Best Home Loan Rates→
Some links are affiliate links - see our disclosure.
In partnership with TODO: Home Loan Partner

Calculation Methodology & Rules

The Home Affordability Calculator calculates the maximum property budget you can realistically buy based on your income and existing obligations. Read our detailed guide: How Much House Can I Afford? or check state rates in Stamp Duty Across Indian States.

1. Maximum Eligible EMI

Lenders restrict your monthly EMI obligation to a percentage of your net income, subtracting any existing loan payments:

Max Monthly EMI = (Net Monthly Income × FOIR Limit) - Existing EMIs

2. Maximum Home Loan

Using the maximum eligible EMI, interest rate, and tenure, we find the maximum principal amount banks will lend:

Max Loan = EMI × [(1 - (1 + r)-n) / r]

3. Property Value Net of Stamp Duty

Since you must cover stamp duty and registration fees out of pocket, we adjust the budget:

Max Property Price = (Max Loan + Down Payment) / (1 + Stamp Duty Rate)

To find comfortable loan sizes without factoring in properties, check out our general Loan Affordability Calculator.

For detailed rules, formulas, references, and official guidelines, see the complete Ganakam Calculation Methodology.

Frequently Asked Questions

Your home purchase budget depends on your net monthly income, existing EMIs, interest rate, down payment size, and state-specific stamp duty rates. Lenders generally limit your home loan EMI to 50% of your net income (known as the FOIR limit).

FOIR is a metric used by banks to calculate your loan eligibility. It is the percentage of your net monthly income that goes towards servicing existing debts plus the new home loan EMI. Banks typically keep this between 40% to 50%.

Every rupee you add to your down payment directly increases your property purchasing power without increasing your monthly home loan EMI or interest burden. Saving a larger down payment is the most effective way to afford a more expensive home.