The EMI Calculator computes the Equated Monthly Instalment for any loan — home loan, business loan, personal loan, vehicle loan or education loan — along with the total interest payable and the overall repayment amount. Just enter the principal, the annual interest rate and the tenure, and the calculator returns a fully broken-down repayment schedule summary.
For borrowers and lenders alike, the EMI is the single most important number in the loan conversation. It determines affordability, cash-flow planning and eligibility. This tool uses the standard reducing-balance formula that every bank and NBFC applies.
The EMI formula explained
The Equated Monthly Instalment is computed using the reducing-balance interest formula:
- EMI = [P × R × (1 + R)ⁿ] ÷ [(1 + R)ⁿ − 1]
- P = Principal loan amount
- R = Monthly interest rate = Annual rate ÷ 12 ÷ 100
- n = Number of monthly instalments = Tenure in years × 12
- Total repayment = EMI × n
- Total interest = Total repayment − Principal
Why the reducing-balance method is standard
Under the reducing-balance method, interest is charged only on the outstanding principal at the beginning of each period. As you pay each EMI, the principal falls, so the interest component of the next EMI is slightly lower and the principal component is slightly higher. This is the fair and market-standard approach across banks and NBFCs.
The alternative — the flat-rate method — charges interest on the original principal for the entire tenure. It looks cheaper at first glance but is significantly more expensive in effective terms. If a lender quotes a flat rate, ask for the "effective rate" or the "reducing rate" to compare like with like.
How to use the EMI Calculator
- Step 1Enter the total loan amount you plan to borrow in INR.
- Step 2Enter the annual interest rate offered by the lender.
- Step 3Enter the loan tenure in years — half-years are allowed for granular planning.
- Step 4Read the monthly EMI, the total interest and the total payable amount from the right-hand panel.
Practical tips for borrowers
- Compare offers from at least three lenders on the same principal and tenure — not on advertised rate alone
- Prefer a shorter tenure if you can afford the higher EMI — the total interest saved is often substantial
- Make partial prepayments early in the tenure — the interest saved is highest when the outstanding principal is highest
- Watch out for processing fees, GST on service charges and prepayment penalties on floating-rate loans
- For home loans, remember that the interest paid is deductible under Section 24(b) of the Income Tax Act up to ₹2 lakh a year
Common loan categories and their typical parameters
Home loans
Typically ₹10 lakh to ₹5 crore, floating rates linked to an external benchmark (usually the RBI repo rate), tenures of 15 to 30 years, and interest deduction of up to ₹2 lakh under Section 24(b) plus ₹1.5 lakh principal deduction under Section 80C.
Personal and consumer loans
Unsecured, sanctioned on the basis of salary and credit score, tenures typically 12 to 60 months, and interest rates in the 10% to 24% band. Prepayment penalties apply in most cases.
Business and MSME loans
Working-capital or term-loan structures, may be secured or unsecured, tenures from 12 months to 7 years, and rates depending on the strength of financials and collateral.
Vehicle loans
Secured by the vehicle itself, tenures typically 36 to 84 months, and lower rates than personal loans because of the collateral.