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Credit Card EMI Calculator with GST

Estimate your monthly EMI, interest, GST on interest, processing fee, and total repayment before converting a purchase to EMI.

Enter the rate and fee offered by your issuer. This estimate uses a reducing-balance EMI formula; your statement may differ because of booking dates, rounding, taxes, and issuer-specific charges.

Example estimate

Monthly EMI before GST

₹4,584

Total repayment including estimated GST and fee: ₹56,499

Purchase amount
₹50,000
Total interest
₹5,008
GST on interest
₹901
Fee + fee GST
₹590
Extra cost
₹6,499
Tenure
12 months
View estimated monthly repayment schedule
MonthPrincipalInterestGST on interestEstimated outflowBalance
1₹3,834₹750₹135₹5,309₹46,166
2₹3,892₹692₹125₹4,709₹42,274
3₹3,950₹634₹114₹4,698₹38,325
4₹4,009₹575₹103₹4,687₹34,315
5₹4,069₹515₹93₹4,677₹30,246
6₹4,130₹454₹82₹4,666₹26,116
7₹4,192₹392₹71₹4,655₹21,924
8₹4,255₹329₹59₹4,643₹17,668
9₹4,319₹265₹48₹4,632₹13,350
10₹4,384₹200₹36₹4,620₹8,966
11₹4,450₹134₹24₹4,608₹4,516
12₹4,516₹68₹12₹4,596₹0

The first-month outflow includes the processing fee and GST on that fee. Actual statement timing and amounts can vary.

What this calculator includes

Credit card EMI offers can look inexpensive when only the monthly instalment is shown. The real cost may also include interest, GST on the interest component, a conversion or processing fee, and GST on that fee. This calculator keeps each part visible so you can compare tenures using the total repayment.

How to use the result

  1. Copy the annual interest rate and processing fee from the issuer's EMI offer.
  2. Compare a shorter and longer tenure using the total interest and extra cost.
  3. Keep room in your monthly budget for GST and any first-statement charges.
  4. Confirm foreclosure, cancellation, reward-reversal, and no-cost EMI rules before booking.

Why your bank statement may differ

Banks can calculate the first interest period from the booking date to the statement date, round individual entries, or apply card-specific fees. A merchant-funded “no-cost EMI” can also involve an upfront discount and tax treatment that this general calculator cannot know. Treat the result as a planning estimate and use the issuer's final schedule for payment.

Frequently asked questions

How is credit card EMI calculated?

This calculator uses the reducing-balance EMI formula with the purchase amount, annual interest rate and selected tenure. The actual rate and conversion terms come from your card issuer.

Does credit card EMI include GST?

The advertised EMI commonly covers principal and interest. GST may be charged separately on the interest component and processing fee. This calculator shows those estimates separately.

Why can the first credit card EMI statement be higher?

The first statement may include a processing fee, GST on that fee and interest for the period between EMI booking and statement generation. Issuer rules and dates determine the final amount.

Is a longer EMI tenure cheaper?

A longer tenure usually reduces the monthly EMI but increases the total interest and tax paid. Compare both the monthly payment and total repayment before choosing a tenure.