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EMI Calculator

Calculate monthly EMI for any loan amount, interest rate, and tenure.

Input & results

Input values

Results

Enter values to see instant results.

Calculation History

  • Your calculations will appear here.

Recent calculations are saved automatically as you adjust inputs.

Financial results are estimates for informational purposes only and are not financial, tax, or investment advice. Verify figures with a qualified professional before making decisions. See our full disclaimer.

What is EMI?

An EMI (Equated Monthly Installment) Calculator estimates the fixed monthly payment on a loan, combining principal repayment and interest into one constant amount. It tells you exactly what a home, car, or personal loan will cost each month before you borrow.

Each EMI is split between interest on the outstanding balance and repayment of principal. Early in the loan most of the payment is interest; later, more goes toward principal — a process called amortization. By entering the loan amount, interest rate, and tenure, this calculator applies the standard reducing-balance formula banks use, then shows your monthly EMI, the total interest you will pay, and the total amount repaid over the life of the loan.

Why is it used?

Knowing your EMI before applying lets you check affordability, compare offers from different lenders on equal terms, and see the true cost of borrowing. A longer tenure lowers the EMI but raises total interest, and this tool makes that trade-off visible instantly so you can choose a repayment plan that fits your budget.

Who should use it?

Home buyers, car buyers, and anyone considering a personal loan or refinance. It is equally useful for first-time borrowers checking what they can afford and for existing borrowers evaluating a balance transfer to a lower rate.

How it works

  1. Enter the loan principal (amount borrowed), annual interest rate, and tenure in months or years.
  2. The calculator converts the annual rate to a monthly rate and applies the standard amortization formula.
  3. Your EMI stays constant each month; early payments are mostly interest, later payments pay down more principal.
  4. Results show monthly EMI, total interest payable, and total amount repaid over the loan term.
  5. Adjust tenure or rate to see how a longer term lowers EMI but increases total interest.

Formula

Variable definitions

VariableMeaning
PPrincipal — the amount borrowed
RMonthly interest rate = annual rate ÷ 12 ÷ 100
NLoan tenure in months
EMIFixed equated monthly installment

How the formula works

  1. Convert the annual interest rate to a monthly rate: R = annual rate ÷ 12 ÷ 100.
  2. Raise (1 + R) to the power N, where N is the tenure in months.
  3. Apply EMI = P × R × (1 + R)^N ÷ ((1 + R)^N − 1).
  4. Total interest = (EMI × N) − P; total payment = EMI × N.

Example calculation

EMI on a ₹10,00,000 loan at 8.5% annual interest for 20 years (240 months).

InputValue
Principal₹10,00,000
Annual rate8.5%
Tenure240 months
  1. R = 8.5 ÷ 12 ÷ 100 = 0.007083
  2. (1 + R)^240 = 5.442
  3. EMI = 1000000 × 0.007083 × 5.442 ÷ (5.442 − 1)
  4. EMI ≈ ₹8,678

Result

Monthly EMI ≈ ₹8,678; total interest ≈ ₹10,82,720 over 20 years.

More examples

Same loan over 10 years (120 months) instead of 20.

InputValue
Principal₹10,00,000
Annual rate8.5%
Tenure120 months
  1. R = 0.007083
  2. EMI ≈ ₹12,399

Result

₹12,399 per month — higher EMI but roughly half the total interest.

Methodology

  • Gather Loan Amount, Annual Interest Rate (%), Tenure (months) from your documents or estimates.
  • Enter each value in the matching field; units must match the labels.
  • The calculator applies the EMI formula and updates results in real time.
  • Compare scenarios by changing one input at a time.

Benefits

  • Plan your monthly budget before committing to a loan.
  • Compare offers from multiple banks using the same principal and tenure.
  • See total interest cost, which is often higher than borrowers expect.
  • Model shorter tenures or prepayment to cut interest instantly.

Use cases

  • Home buyers estimating mortgage payments before property visits.
  • Car buyers comparing dealer finance against a bank loan.
  • Personal loan applicants checking affordability against income.
  • Refinancing decisions comparing current EMI with a new rate.

Tips & important notes

  • Use the actual rate your lender quotes, not the advertised headline rate.
  • A shorter tenure raises EMI but saves significantly on total interest.
  • Processing fees and insurance are not part of EMI — budget for them separately.
  • Keep total EMIs below 40–50% of net monthly income for comfort.

Common mistakes

  • Entering the annual rate where a monthly rate is needed, inflating the EMI.
  • Mixing tenure units — using years where the formula expects months.
  • Forgetting that fees and insurance add to the real cost beyond EMI.

Related concepts

  • Loan amortization and the shifting interest-to-principal ratio
  • Reducing-balance vs flat interest rates
  • Prepayment and its effect on tenure or EMI

Good to know

EMI estimates assume a fixed rate and equal monthly payments. Floating rates, moratorium periods, and prepayment charges can change actual payments. Ask your lender for the official amortization schedule.

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Frequently asked questions