EMI Calculator
Calculate your monthly EMI for home loan, car loan, or personal loan with detailed amortization schedule.
🏠Loan Details
Total Interest
₹27.07 L
Total Amount
₹52.07 L
Interest to Principal Ratio
108.3%
Payment Breakdown
Amortization Chart
How the EMI Calculator Works
What Is EMI and Why Does It Matter?
EMI stands for Equated Monthly Installment — the fixed amount you pay your lender every month until your loan is fully repaid. Each EMI is split into two parts: the principal (the money you actually borrowed) and the interest (the lender's fee for giving you that money). Early in the loan, most of your EMI goes toward interest. Over time, that ratio flips, and by the final years, nearly all of it goes toward principal.
This front-loaded interest structure is why a ₹25 lakh home loan at 8.5% for 20 years ends up costing you more than ₹52 lakh in total payments. Understanding EMI is the first step to reducing that number — whether by choosing a shorter tenure, negotiating a lower rate, or making prepayments.
The EMI Formula (Explained in Plain English)
The standard EMI formula is: EMI = P × r × (1+r)^n / ((1+r)^n − 1).
Here, P is your loan amount, r is the monthly interest rate (your annual rate divided by 12, then divided by 100), and n is the total number of monthly payments. The formula compounds the interest rate monthly, which is why small rate changes have a large effect over long tenures.
For example, moving from 8.5% to 9.5% on a 20-year, ₹25 lakh loan adds roughly ₹1,600 to your monthly EMI — about ₹3.8 lakh extra over the life of the loan. That's the power of compounding working against you, and it's why comparing loan offers carefully pays off.
Why the Interest-to-Principal Ratio Shifts Over Time
In month one of a 20-year, ₹25 lakh loan at 8.5%, roughly ₹17,700 of your EMI goes to interest and only ₹4,000 to principal. By year 15, that reverses — most of your EMI now chips away at the principal. This is a deliberate design: lenders collect their profit early to protect against default risk.
Knowing this helps you plan. If you can afford a prepayment in the first 5–7 years, you slash a disproportionate amount of future interest. A ₹1 lakh prepayment in year 3 of a 20-year home loan typically saves ₹3–4 lakh in total interest.
Step-by-Step Worked Example
Let's walk through a real scenario: You take a ₹25,00,000 home loan at 8.5% annual interest for 20 years.
- 1Convert the annual rate to a monthly rate: 8.5 ÷ 12 ÷ 100 = 0.007083.
- 2Calculate the total number of payments: 20 years × 12 = 240 months.
- 3Compute (1 + r)^n: (1.007083)^240 = 5.4406.
- 4Apply the formula: EMI = 25,00,000 × 0.007083 × 5.4406 / (5.4406 − 1).
- 5Numerator: 25,00,000 × 0.007083 × 5.4406 = ₹96,342.
- 6Denominator: 5.4406 − 1 = 4.4406.
- 7EMI = 96,342 ÷ 4.4406 = ₹21,696 (rounded).
Result
Monthly EMI: ₹21,696
Total amount paid over 20 years: ₹52,07,040
Total interest paid: ₹27,07,040 (roughly 108% of the original loan)
Interest-to-principal ratio: 1.08 — you pay more than double the borrowed amount
Key Benefits & Use Cases
When to Use This Tool
- ✓Comparing home loan offers from 2–3 banks before signing — a 0.25% rate difference on a 20-year loan can save over ₹8 lakh.
- ✓Deciding between a 15-year and 20-year tenure based on what your monthly budget can absorb.
- ✓Planning a car or personal loan purchase and checking whether the EMI fits your 40%-of-income rule.
- ✓Estimating how much a ₹2–3 lakh annual prepayment would save in total interest.
- ✓Checking whether a floating-rate loan's revised EMI still fits your cash flow after a rate hike.
Why It Matters
- →Avoids the guesswork of comparing loan offers verbally — you see exact monthly and total figures.
- →Reveals the true cost of a loan, which is often 2x the principal on long-tenure home loans.
- →Helps you evaluate prepayment vs. investment decisions: is it better to prepay a 9% loan or invest at 12%?
- →Shows the amortization schedule, so you know exactly how much principal you'll still owe at any point.
Who Should Use This Calculator
- ★First-time home buyers evaluating loan eligibility and budget impact.
- ★Existing borrowers considering refinancing or balance transfer to a lower rate.
- ★Anyone planning a major purchase (car, education, wedding) on borrowed funds.
- ★Salaried professionals who want to check if an EMI fits within 40% of monthly take-home pay.
Instant EMI
Get your monthly EMI instantly for any loan amount and tenure.
Amortization Schedule
See year-by-year breakdown of principal and interest payments.
All Loan Types
Works for home loan, car loan, personal loan, education loan.
How to Use
Enter Loan Amount
Set your total loan amount using the slider.
Set Interest Rate
Enter the annual interest rate offered by bank.
Choose Tenure
Select loan duration in years or months.
View EMI & Schedule
See monthly EMI, total interest and amortization.
The Formula
EMI = P × r × (1+r)^n / ((1+r)^n - 1)Frequently Asked Questions
What is EMI and how is it calculated?
EMI (Equated Monthly Installment) is the fixed monthly payment you make to repay a loan. It's calculated using the formula EMI = P × r × (1+r)^n / ((1+r)^n − 1), where P is the principal, r is the monthly interest rate (annual rate ÷ 12 ÷ 100), and n is the total number of months. The result is a fixed payment that fully amortizes the loan by the end of the tenure.
Does my EMI change during the loan tenure?
For fixed-rate loans, your EMI stays constant for the entire tenure. For floating-rate loans (which most Indian home loans are), your EMI can change whenever the benchmark rate changes — typically every quarter or on reset dates. Some lenders instead keep the EMI stable and adjust the tenure, which is worth clarifying with your bank before signing.
How can I reduce my monthly EMI?
There are four main ways: (1) Extend the tenure — a 25-year loan has a lower EMI than a 15-year loan, but you'll pay more total interest. (2) Make a larger down payment to reduce the principal. (3) Negotiate a lower interest rate — even a 0.5% reduction matters over 20 years. (4) Transfer your loan to a lender offering a better rate, if the savings exceed the transfer fees.
What happens if I prepay my loan?
Prepayment reduces your outstanding principal directly, which does two things: it lowers the total interest you'll pay, and it can either shorten your tenure or reduce your EMI (depending on what you choose). In India, RBI rules prohibit prepayment penalties on floating-rate home loans for individual borrowers, making early prepayment a strong strategy if you have surplus cash.
Is a shorter or longer tenure better?
It depends on your cash flow and opportunity cost. A shorter tenure means higher EMI but dramatically less total interest — on a ₹25 lakh loan at 8.5%, moving from 20 to 15 years saves roughly ₹8 lakh in interest. A longer tenure keeps the EMI affordable but costs more overall. If you can comfortably afford the higher EMI and have no better use for the money, choose the shorter tenure.
How much EMI can I afford on my salary?
A widely used rule of thumb is that total EMIs (all loans combined) should not exceed 40–50% of your net monthly take-home pay. Banks typically cap it at 50–60% when assessing loan eligibility. For example, on a ₹80,000 monthly take-home, keeping all EMIs under ₹32,000–40,000 preserves room for savings, emergencies, and lifestyle expenses.
Does this EMI calculator work for car and personal loans?
Yes. The EMI formula is identical for all amortizing loans — home, car, personal, education, or gold. Enter the loan amount, annual interest rate, and tenure in years or months, and the calculator will show your EMI, total interest, and amortization schedule.
Reviewed by AutoWealthLab Editorial Team
This calculator and its accompanying guide are maintained by the AutoWealthLab editorial team. Every formula is verified against standard financial references, and results are cross-checked with independent calculators before publishing. Our tools are updated whenever tax rules, interest rate benchmarks, or regulatory formulas change.
Last reviewed: October 2026 · Methodology: Standard amortization and compound interest models · Learn more about our testing process