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Loan Calculation

Checking Loan Interest Rates

Loan interest rates are not fixed and may vary based on several factors.


Key points to know:

• Interest rates differ by loan type, such as Personal Need Loans, Vehicle Loans, and Housing / Mortgage Loans.

• Different banks may offer different interest rates for the same loan type.

• Interest rates may change depending on market conditions and loan-specific parameters.

• Interest rates may differ according to each customers credibility


The loan calculation tool displays:

• the current interest rate applicable to the selected loan type,

• the calculated monthly installment amount,

• the total repayment amount (principal + interest).


Example Loan Table:

Personal Loan Payment Example (as of November 26, 2025):

• Loan Type: Personal

• Campaign Name: New Year Personal Loan Campaign


Loan Amount
Maturity (Months)
Monthly Interest Rate
Monthly Installment Amount

Total Repayment Amount

Loan Allocation Fee (incl. BSMV)


Life Insurance Premium

Total Fees*

Annual Cost Rate

100.000.- TL
12
% 3,85
11.285,72 TL
135.428,64 TL
575,00 TL
1.096,00 TL
1.671,00 TL
%81,8025
100.000.- TL
24
% 3,79
7.195,71 TL
172.697,04 TL
575,00 TL
1.096,00 TL
1.671,00 TL
%79,3015
100.000.- TL
36
% 3,69
5.886,72 TL
211.921,92 TL
575,00 TL
1.096,00 TL
1.671,00 TL
% 76,3551


* This example is provided for illustrative purposes only and does not represent current or guaranteed loan terms. The stated rate is the lowest interest rate applied by the Bank on a customer-specific basis; it may vary depending on customer characteristics, risk status, loan amount, maturity, and other loan information. İşBank reserves the right to change rates. Customers can obtain final information from branches regarding the applicable installment amount, interest rate, and any fees and commissions to be collected.

What Is a Loan Repayment Plan?

A loan repayment plan outlines how a loan is repaid over time and is primarily determined by:

• the loan amount, and

• the selected maturity period.

• the loan type (e.g. Personal, Vehicle, or Housing Loan) directly affects the installment structure and total cost components.










Frequently Asked Questions

​Loan calculations take into account:

  • Requested loan amount
  • Interest rate
  • Loan maturity (term in months)
  • Additional costs such as allocation fees and insurance premiums

Monthly installment amounts are calculated using the equal-installment repayment method, consisting of principal and interest. The total repayment amount is determined by summing all installments over the loan term.


When calculating a loan, the following factors should be taken into account:

  • Loan type
  • Interest rate
  • Loan maturity (term in months)
  • Loan amount
  • Fees and commissions
  • Insurance costs
  • Loan allocation costs

​Loan interest calculation helps borrowers:

  • understand the total cost of a loan in advance,
  • assess whether monthly installments fit their budget,
  • compare loan offers based on interest rates and additional costs,
  • anticipate potential additional costs.

Accurate calculations reduce the risk of unexpected expenses and support informed financial planning.

​Loan interest rates are determined based on:

  • Income level and loan repayment capacity
  • Credibility score of the borrower
  • Credit risk profile
  • Loan amount
  • Loan maturity (term in months)
  • Other loan-specific details

​You can view your loan risk report at any time through:

  • İşCep
  • Internet Banking
  • ATMs
  • İşbank Branchs
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