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EMI Calculator
Use EMI Calculator to plan with confidence — instant, transparent calculations.
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Loan Calculator
Work out the monthly EMI on a fixed-rate loan, plus the total interest and total repayment, using the standard reducing-balance formula. Runs live in your browser.
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Quick Answer
Enter the loan amount, annual interest rate and tenure and the calculator shows your monthly EMI, the total interest you will pay, and the total of all repayments. It uses the standard reducing-balance EMI formula, where interest is charged on the shrinking outstanding balance — the method banks use for personal, car and home loans. The figures assume a fixed rate and no fees. It runs entirely in your browser.
What the Loan Calculator Does
Type in how much you are borrowing, the annual interest rate and the number of years, and you get three numbers: the equated monthly instalment (EMI) you would pay each month, the total interest over the life of the loan, and the total amount repaid (principal plus interest).
It is built for any fixed-rate, equal-instalment loan — a personal loan, a car loan, an education loan or a home loan all use the same maths. This is the same reducing-balance engine as the EMI calculator, framed for loans in general.
How It Works
The calculator converts your annual rate to a monthly rate (divided by twelve) and your tenure to a number of months, then applies the standard EMI formula. Because the method is reducing-balance, each month's interest is charged only on the outstanding balance, so as you repay principal the interest portion of every instalment falls and the principal portion rises.
From the monthly EMI it works out the totals: the EMI multiplied by the number of months is the total repayment, and subtracting the original loan amount leaves the total interest. The split between interest and principal shifts over the term, but the EMI itself stays the same every month.
Methodology
- Convert the inputs. Turn the annual rate into a monthly rate (rate divided by 12 then by 100) and the tenure into months (years times 12).
- Apply the EMI formula. Compute the equated monthly instalment from the principal, the monthly rate and the number of months.
- Find the total repayment. Multiply the EMI by the number of months.
- Find the total interest. Subtract the loan amount from the total repayment.
Reducing-balance EMI
EMI = P × r × (1 + r)^n ÷ ((1 + r)^n − 1)
r = annual rate ÷ 12 ÷ 100 (monthly rate)
n = years × 12 (months)Worked example
₹10,00,000 at 8.5% for 20 years → EMI ₹8,678 / month, total interest ₹10.83 lakhIf the rate is zero, the EMI is simply the principal divided by the number of months.
Assumptions
- The interest rate is fixed for the entire tenure. A floating-rate loan changes when the lender's rate moves, so your real EMI or term will differ.
- No processing fees, insurance, GST or other charges are included — only principal and interest. Lenders often add these, so the real cost is a little higher.
- No prepayments or part-payments. Paying extra reduces the outstanding balance and the total interest; this calculation assumes you pay exactly the EMI each month.
- Payments are monthly and begin one month after disbursal, with the rate compounded monthly — the usual convention for retail loans.
- Every month carries an equal instalment; the figures are rounded for display, so a lender's schedule may differ by a rupee or two.
Technical Details
| Inputs | loan amount, annual rate, tenure (years) |
|---|---|
| Outputs | monthly EMI, total interest, total repayment |
| Method | reducing-balance EMI |
| Compounding | monthly |
| Currency | rupees (the maths is the same in any currency) |
| Fees | not included |
| Where it runs | In your browser — nothing uploaded |
Standards & references
- Reducing-balance method — interest is charged on the outstanding balance, which falls as you repay; this is the standard for bank loans and gives lower total interest than a flat-rate loan at the same headline rate.
- EMI and amortization — an equated monthly instalment keeps the payment constant while the interest-versus-principal split changes; the schedule of those splits is the loan's amortization.
- Fixed rate assumed — the calculation assumes the rate stays fixed for the whole term; on a floating-rate loan the EMI or the tenure changes when the rate moves.
Accuracy & Limitations
It is precise for a fixed-rate, monthly-compounded loan with no extra charges — the standard EMI maths. Real loan statements can differ slightly because of rounding, the exact day count, or fees the lender adds.
It does not include processing fees, insurance, late charges or taxes. Those are real costs of borrowing; add them separately to judge the true expense.
It assumes you never prepay. A part-payment lowers the outstanding balance, which cuts the remaining interest and can shorten the term — a benefit this fixed-EMI view does not show.
A floating rate is not modelled. If your rate is linked to a benchmark, a change moves either your EMI or your tenure; re-run the numbers with the new rate when that happens.
The interest-versus-principal split is not broken out month by month here. Early instalments are mostly interest and later ones mostly principal; a full amortization schedule shows that month by month.
Real-World Use Cases
Comparing loan offers
See how the EMI and total interest change between lenders or rates.
Budgeting a purchase
Check whether a car, home or big purchase fits your monthly budget.
Choosing a tenure
Weigh a shorter term (higher EMI, less interest) against a longer one.
Understanding the cost
See how much interest a loan actually adds over its life.
When to use it — and when not to
Good for
- Fixed-rate personal, car or education loans
- Estimating a monthly EMI
- Seeing total interest and repayment
- Comparing rates and tenures
Not the best choice for
- Floating or variable-rate loans (without re-running)
- Including fees, insurance or taxes
- Modelling prepayments or part-payments
- A month-by-month amortization schedule
Buying a home? The mortgage calculator frames the same maths for a home loan — but remember it, too, is principal and interest only. Comparing simple versus compound growth? Use the simple-interest or compound-interest calculator.
Frequently Asked Questions
What is an EMI?
An equated monthly instalment — the fixed amount you pay each month on a loan. It stays the same for the whole term, while the share going to interest falls and the share going to principal rises over time.
What does reducing-balance mean?
Interest is charged only on the outstanding balance, which shrinks as you repay. That makes each month's interest a little smaller, so you pay less total interest than a flat-rate loan at the same headline rate.
Does this include processing fees or insurance?
No. It shows principal and interest only. Lenders often add a processing fee, insurance and GST, so the real cost is somewhat higher — add those separately.
Will the EMI really stay the same every month?
Yes, on a fixed-rate loan. The instalment is constant; only the internal split between interest and principal changes. On a floating-rate loan, the EMI or the tenure changes when the rate moves.
How does a longer tenure affect the loan?
A longer tenure lowers the monthly EMI but increases the total interest, because you owe the balance for longer. A shorter tenure does the opposite — higher EMI, less interest overall.
What if I prepay part of the loan?
A part-payment reduces the outstanding balance, which cuts the remaining interest and can shorten the term. This calculator assumes you pay exactly the EMI, so it does not show that saving.
Is this the same as the EMI calculator?
Yes — it uses the same reducing-balance EMI formula. This version is framed for loans in general; the maths is identical for a personal, car, education or home loan.
Why is so much of my early payment interest?
Because interest is charged on the outstanding balance, which is largest at the start. Early instalments are mostly interest; as the balance falls, more of each instalment goes to principal.
Does the currency matter?
No. The figures show rupees, but the formula is the same in any currency — enter your amount and rate and the EMI is correct regardless of the symbol.
What rate should I enter?
The annual interest rate the lender quotes. The calculator converts it to a monthly rate internally, so you enter the yearly figure (for example 8.5).
Is my data sent anywhere?
No. The calculation runs entirely in your browser; nothing is uploaded.
How accurate is the result?
It is exact for the standard EMI maths. A lender's statement may differ by a rupee or two because of rounding or day-count conventions, and more if fees are involved.
References
Uses the standard reducing-balance EMI formula (interest on the outstanding balance, monthly compounding); it is explicit that the figures are principal and interest only — no fees, insurance, taxes or prepayments — and assume a fixed rate for the whole tenure.
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It is free, private and runs entirely in your browser — no sign-up, no uploads, no limits.