Mortgage Calculator
Calculate monthly mortgage payments — principal and interest split, total interest paid, and full payment schedule.
finance
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Introduction to the Mortgage Calculator
The Mortgage Calculator is a free online tool that finds the monthly EMI on a home loan using the formula EMI = P x r x (1 + r)^n / ((1 + r)^n - 1). Here P is principal, r is monthly interest rate and n is total months.
Indian home buyers, NRIs and existing borrowers use this home loan tool to compare lender offers, plan tenure and time prepayments. Whether you take an SBI Maxgain in Mumbai, an HDFC Smart Home in Bengaluru or an LIC Housing loan in Chennai, the EMI formula stays universal. Related concepts like amortization, principal-interest split, MCLR vs RLLR and tax benefits under Section 24(b) all fit on top of this base EMI calculation.
Inputs are loan amount, interest rate and tenure in years. Outputs are the monthly EMI, total interest, total payment and a full amortization schedule month by month.
Who Should Use This Mortgage Calculator
- First time home buyers in Mumbai comparing 25 vs 30 year tenure on a Rs 1 crore loan.
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- NRIs in Bengaluru funding Indian property purchases with NRE/NRO accounts and PMS structures.
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- Existing borrowers in Hyderabad planning Rs 5 lakh annual prepayments using bonuses.
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- Newly married couples in Pune adding both salaries as co-applicants to boost loan eligibility.
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- Senior citizens in Chennai opting for reverse mortgage loans against owned property.
Tips for Smart Home Loan EMI
Smart Mortgage Tips
- Choose floating RLLR rates linked to repo for transparency; SBI, HDFC and most PSU banks offer 8.4-9 percent in current cycle.
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- Make at least one extra EMI per year using bonus or 13th month pay; on a 25 year loan it shaves off 5-6 years of total tenure.
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- Section 24(b) allows up to Rs 2 lakh interest deduction per year under old regime; Section 80C covers up to Rs 1.5 lakh principal.
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- Keep down payment at 25 percent or higher to avoid LMI/Insurance load and lower EMI by 15-20 percent.
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- Compare processing fees across banks; SBI charges Rs 5000-10,000, HDFC charges 0.50 percent, Bajaj higher. A Rs 50 lakh loan can save Rs 15,000+.
Formula Explanation
Core Mortgage Formula
EMI = P x r x (1 + r)^n / ((1 + r)^n - 1) Total Interest = (EMI x n) - P Total Payment = EMI x n Principal in EMI rises over months, interest portion falls
Where:
- P = principal loan amount in rupees
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- r = monthly interest rate (annual / 1200)
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- n = total months (years x 12)
Example: Rs 50 lakh loan at 8.5 percent for 25 years gives r = 0.0070833, n = 300. EMI = Rs 40,261. Total interest = Rs 70.78 lakh, total payment = Rs 1.21 crore.
Mortgage Quick Reference Table
| Loan Amount (Rs) | Rate | Tenure | Monthly EMI (Rs) | Total Interest (Rs) |
|---|---|---|---|---|
| 25 lakh | 8.5 percent | 20 yr | 21,696 | 27.07 lakh |
| 50 lakh | 8.5 percent | 25 yr | 40,261 | 70.78 lakh |
| 75 lakh | 9.0 percent | 25 yr | 62,938 | 1.13 crore |
| 1 crore | 8.5 percent | 20 yr | 86,782 | 1.08 crore |
| 1 crore | 9.0 percent | 30 yr | 80,462 | 1.90 crore |
Real-World Example
Example: Rohan's Home Loan in Bengaluru
Meet Rohan, a 32 year old senior software engineer from Bengaluru taking a Rs 60 lakh home loan from SBI at 8.5 percent for 20 years to buy a 2BHK flat in Whitefield.
Step 1: Rohan computes EMI = 60,00,000 x 0.0070833 x (1.0070833)^240 / ((1.0070833)^240 - 1) = Rs 52,070. Step 2: Total interest over 20 years = (52,070 x 240) - 60,00,000 = Rs 64.97 lakh. Step 3: He plans Rs 2 lakh prepayment yearly from bonus, cutting tenure to 13 years and saving Rs 28 lakh interest.
Result: Rohan locks in the loan, sets up an SBI auto-debit for EMI and an annual prepayment alert in March. He also claims Rs 2 lakh interest under Section 24(b) annually, saving Rs 60,000 in income tax.
Frequently Asked Questions About Mortgages
Indian home buyers and existing borrowers often ask about fixed vs floating rates, ideal tenure, prepayment timing and how to maximise tax benefits under Section 80C and 24(b). The answers below cover bank choice, processing fees and practical strategies for Indian home loans.
Frequently asked questions
How does the Mortgage Calculator work?
The Mortgage Calculator uses the standard amortization formula M = P x r x (1+r)^n / ((1+r)^n - 1) to compute your monthly home loan payment, where P is the loan principal, r is the monthly interest rate, and n is the total number of months. It shows the monthly EMI, total interest paid, and a full repayment schedule.
Is the Mortgage Calculator accurate for Indian home loans?
Yes, the formula matches what SBI, HDFC, ICICI, Axis, LIC Housing Finance, and other Indian lenders use for floating-rate home loans linked to RBI's repo rate. Quote-level differences usually come from processing fees, insurance premiums, and stamp duty, which the calculator excludes. Always add these to estimate your true total cost of borrowing.
What inputs does the Mortgage Calculator need?
You need three values: the loan amount in Rs (typically Rs 30 lakh to Rs 1 crore for Indian home buyers), the annual interest rate (currently 8-9.5% for most Indian banks), and the tenure in years (10-30 years). The calculator returns the EMI, total interest, total payment, and a downloadable amortization schedule by month.
How much can I save by making extra principal payments?
Paying one extra EMI per year on a Rs 50 lakh, 20-year loan at 9% saves roughly Rs 5-7 lakh in interest and finishes the loan 2-3 years early. Even small annual prepayments compound to large savings because the early years of a mortgage are mostly interest. Use the calculator twice with different tenures to see the saved interest exactly.
Is the Mortgage Calculator free to use?
Yes, the Mortgage Calculator is free on AllSmartCalculators with no signup, ads inside the form, or login. It works on any phone or laptop browser. Bookmark it when shopping home loans across banks, comparing fixed versus floating rates, or deciding whether to refinance an existing loan when RBI cuts the repo rate.
What other calculators help with home buying?
Pair the Mortgage Calculator with the Loan Eligibility Calculator (to find your maximum sanctionable loan), the Income Tax Calculator (for Section 80C and 24(b) deductions), and the CIBIL Score Estimator (to predict your interest rate). For the down-payment savings phase, the SIP Calculator helps plan a 3-5 year fund.
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Results from this calculator are estimates for informational use only — not financial, medical, or professional advice. Read our full disclaimer before acting on any number you see here.