How to Calculate Your Home Loan EMI Yourself: Bengaluru Buyer’s Guide 2026

How to Calculate Your Home Loan EMI Yourself: A Bengaluru Buyer’s Guide

The bank quotes you an EMI. Can you check whether it is right?

Most buyers can’t, so they accept the number. Imagine a couple at a Bengaluru sales office. The executive says the EMI on their loan will be “around seventy-two thousand”. It sounds fine, until they ask what interest rate and tenure that assumes, and nobody can say. The EMI isn’t a mystery. It comes from three numbers and one formula, and once you can rebuild it yourself, no quote can surprise you.

Quick answer

Your home loan EMI depends on only three inputs: the loan amount, the annual interest rate and the tenure. The RBI raised the repo rate by 0.25 percentage points to 5.50% on 7 October 2026, and floating-rate loans linked to it can move. On an illustrative ₹80 lakh loan at 9% for 20 years, the EMI is about ₹71,978. A longer tenure lowers the EMI but raises total interest sharply.

What goes into an EMI?

The standard formula combines the three. You don’t need to do the arithmetic by hand, because a calculator, a spreadsheet’s PMT function or the cheat sheet below will give the same answer.

What is a quick way to estimate an EMI?

Use the EMI per ₹1 lakh cheat sheet, then multiply by the number of lakhs you are borrowing. These figures are rounded and use the standard formula.

Example: ₹80 lakh at 9% for 20 years is 80 × ₹900 = ₹72,000, close to the exact ₹71,978. If a quote is far from this, ask why.

How does tenure change what you pay?

Same ₹80 lakh loan at an illustrative 9%:

Going from 20 to 30 years lowers the EMI by about ₹7,600 a month, but adds about ₹59 lakh in interest. A longer tenure can help affordability, as long as you choose it knowing the cost.

Why do the early years feel like you’re not repaying anything?

In the first month of that 20-year loan, about ₹60,000 of the ₹71,978 EMI is interest and only about ₹11,978 reduces the principal. After 10 years, you still owe about ₹56.8 lakh, or 71% of the loan. Interest is charged on the outstanding balance, so the early years are mostly interest. This is why prepaying early saves so much.

What does the repo rate hike mean for your EMI?

The repo rate is the rate at which the RBI lends to banks. It is not your loan rate, which sits above it because the bank adds a margin. Most new floating-rate home loans are linked to an external benchmark, so when the repo rate rises, your rate can follow at the next reset.

On ₹80 lakh over 20 years starting at 9%:

The MPC’s new stance is “calibrated tightening”, which means near-term cuts are off the table and the next move could be another hike or a pause. Plan your budget with that in mind.

How can prepayment cut your interest?

On the same ₹80 lakh at 9% for 20 years (total interest about ₹92.7 lakh):

When you prepay, ask the bank to keep the EMI the same and shorten the tenure. That gives the bigger saving. Confirm the prepayment rules and any charges in writing, since terms differ by lender and by loan type.

How much EMI can you afford?

Lenders look at your existing obligations against your income, and a common planning guide is to keep total EMIs within about 40% of take-home pay. On this example, an EMI of ₹71,978 at 40% points to about ₹1.8 lakh a month in take-home income. Also keep a cushion for a possible rate rise, as in our repo rate guide.

Sanction letter checklist (7 steps)

1. Check the sanctioned amount. It can be lower than the property price after the lender’s valuation.

2. Note the exact rate and whether it is fixed or floating.

3. Ask which benchmark a floating rate follows, the spread above it, and how often it resets.

4. Check the tenure the bank used for the EMI quote. A longer tenure makes the EMI look smaller.

5. Recalculate the EMI with the cheat sheet or a calculator.

6. Ask for the amortisation schedule showing the interest and principal split.

7. Confirm fees and rules: processing fee, prepayment and foreclosure terms, and any insurance being added to the loan.

What should Bengaluru buyers check on top of this?

• Loan-to-value limits. The RBI limits how much a bank can lend against a property’s value, and the permitted share falls as the loan gets larger, so plan your down payment. Ask your bank for the current limit.

• Under-construction flats. Banks often release the loan in stages linked to construction, and you may pay interest only on the amount released until the loan is fully drawn. Ask for the disbursement schedule.

• Costs beyond the loan. Stamp duty, registration, GST on under-construction flats and interiors usually have to come from your own funds.

• Bundled insurance. Ask whether insurance is optional, as in our home insurance guide.

• Paperwork. The bank’s legal check protects the bank, so get your own, as in our legal opinion guide.

Frequently asked questions

How is a home loan EMI calculated?
From three inputs: the loan amount, the annual interest rate and the tenure in months, using the standard EMI formula. A calculator or spreadsheet will give the same result.

What is the repo rate now?
5.50%, after a 0.25 percentage point increase announced by the RBI on 7 October 2026. Your home loan rate is higher, because your bank adds its own margin.

Does a lower EMI mean a cheaper loan?
No. A lower EMI often means a longer tenure, which increases total interest. Compare the interest rate and the total interest, not just the EMI.

How much does prepayment save?
On an ₹80 lakh, 9%, 20-year loan, an extra ₹1 lakh each year shortens the loan to about 15 years 7 months and saves about ₹23.6 lakh in interest, as an illustration.

Should I choose a shorter tenure or a lower EMI?
Pick the EMI you can pay comfortably first. If a shorter tenure strains your budget, a longer tenure with regular prepayments is often safer.

Can I reduce my EMI after taking the loan?
Often yes. You can ask your lender to review the rate, move to another lender, or make part prepayments. Check the costs and terms before you decide.

This article is for general education and is not financial, legal or insurance advice.