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How to Calculate Interest?
Current Interest Rates for 2025
  • Legal Interest: %9 (Yıllık)
  • Daily Legal Interest: %0,0247
  • Corporate Interest: %15 (Yıllık)
  • Daily Corporate Interest: %0,0411
Important Points
  • Start Date: Included in interest calculation
  • End Date: Included in interest calculation
  • Calculation Method: The calculation uses the day basis.
  • Legal Interest: Applies to debts
  • Corporate Interest: Valid for corporate transactions
Calculation Formula:
Interest = Principal × Interest Rate × Number of Days ÷ 36500
Total = Principal + Interest
Sample Calculation:

$ 10,000, Legal Interest (9%), 30 days:

Principal: $ 10,000
Interest Rate: 9% (yearly)
Number of Days: 30
Interest: 10,000 × 9 × 30 ÷ 36500 = $ 73.97
Total: 10,000 + 73.97 = $ 10,073.97
Important Notice

These calculations are for general informational purposes only.
Always consult your lawyer in legal proceedings.
Interest rates are subject to change, please check current rates.

Interest Calculation

The date on which interest calculation will begin
The date on which the interest calculation will end
$
Principal amount for which interest will be calculated
Select the interest type to be applied
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