Deposit Interest and Withholding Calculator
Calculate gross interest, withholding tax, net interest and the maturity amount of a term deposit.
Things to keep in mind
- Deposit withholding rates depend on term and account type and change from time to time; check your bank's rate.
Calculator
Result
Enter the values and press Calculate to see the result here.
About this tool
Term deposit interest is principal × annual rate × days / 365. Banks withhold income tax on interest; since the Turkish rate depends on term and period, you enter it.
How to use
- Enter the principal.
- Enter the annual gross rate and the term in days.
- Enter the withholding rate and press Calculate.
Notes
Simple interest on a 365-day basis. Small differences are possible if your bank uses another day-count basis.
Frequently asked questions
Gross interest = principal × annual rate / 100 × days / 365; net interest = gross interest − withholding.
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Calculate the withholding and the net amount from a gross amount, or gross up a net amount.
Last updated: September 30, 2026