Interest Calculator: Turkish Lira Deposit Net Return
Enter an amount, a term and an annual rate to get gross interest, withholding tax and net return. The default rate is the highest annual gross rate banks publish for a 32-day TRY 100,000 deposit.
Last updated: Source: Bank rate sheets
TRY 100,000 for 32 days at the highest rate
At Alternatifbank’s annual gross rate of 43%, TRY 100,000 for 32 days earns:
- Gross interest
- TRY 3,769.86
- Withholding tax (17.5%)
- TRY 659.73
- Net interest
- TRY 3,110.14
- Amount at maturity (net)
- TRY 103,110.14
Withholding tax rate 17.5% (Presidential Decision No. 10041, Official Gazette July 9, 2025); 17.5% up to 6 months, 15% up to 1 year, 10% above 1 year.
According to Yatırımcı.AI data, as of November 2, 2026 the highest annual gross rate for a 32-day TRY 100,000 deposit is 43% at Alternatifbank; the average across 12 banks is 39.23%. At this rate gross interest is TRY 3,769.86 and net interest after 17.5% withholding tax is TRY 3,110.14.
At the banks’ average gross rate of 39.23%, TRY 100,000 earns TRY 3,439.34 gross and TRY 2,837.46 net in 32 days.
Deposit Interest Calculator
- Gross interest
- TRY 3,769.86
- Withholding tax (17.5%)
- TRY 659.73
- Net interest
- TRY 3,110.14
- Amount at maturity (net)
- TRY 103,110.14
Withholding tax rate 17.5% (Presidential Decision No. 10041, Official Gazette July 9, 2025). Turkish lira time deposits are taxed at 17.5% up to 6 months, 15% up to 1 year and 10% above 1 year; the rate in force when the account is opened or renewed applies.
Ready-made results at current bank rates
Annual gross rates banks publish for TRY 100,000 over 32 days, and the net return after 17.5% withholding tax. The table follows the amount and term above.
| Bank | Annual gross rate | Net interest | Amount at maturity (net) |
|---|---|---|---|
| Alternatifbank | 43% | TRY 3,110.14 | TRY 103,110.14 |
| Anadolubank | 43% | TRY 3,110.14 | TRY 103,110.14 |
| Fibabanka | 42% | TRY 3,037.81 | TRY 103,037.81 |
| Odeabank | 42% | TRY 3,037.81 | TRY 103,037.81 |
| DenizBank | 41% | TRY 2,965.48 | TRY 102,965.48 |
| QNB Finansbank | 41% | TRY 2,965.48 | TRY 102,965.48 |
| CEPTETEB | 40.5% | TRY 2,929.32 | TRY 102,929.32 |
| TEB | 40.5% | TRY 2,929.32 | TRY 102,929.32 |
| GetirFinans | 40% | TRY 2,893.15 | TRY 102,893.15 |
| Türkiye İş Bankası | 36% | TRY 2,603.84 | TRY 102,603.84 |
| Halkbank | 32% | TRY 2,314.52 | TRY 102,314.52 |
| Enpara | 29.75% | TRY 2,151.78 | TRY 102,151.78 |
32-Day Interest by Amount
| Amount | Avg. gross rate | Net interest |
|---|---|---|
| TRY 100,000 | 39.23% | TRY 2,837.46 |
| TRY 250,000 | 39.69% | TRY 7,176.82 |
| TRY 500,000 | 39.98% | TRY 14,458.52 |
| TRY 1,000,000 | 39.94% | TRY 28,888.11 |
| TRY 5,000,000 | 40.11% | TRY 145,055.34 |
Interest by Term (TRY 100,000)
| Term | Avg. gross rate | Net interest |
|---|---|---|
| 32 days | 39.23% | TRY 2,837.46 |
| 92 days | 34.67% | TRY 7,209.46 |
| 181 days | 32.73% | TRY 13,390.16 |
| 365 days | 32.36% | TRY 27,506.00 |
The same amount in a money market fund
Over the last month the median return of 39 money market funds was 3.05%. For TRY 100,000 that is a TRY 3,046.30 gross gain. Fund returns are historical and not known in advance, whereas a deposit rate is fixed for the term.
Money market fund or deposit? Period-by-period comparisonRelated Pages
About the Interest Calculator
The calculator uses the simple interest banks apply: gross interest = amount × annual rate × days / 36,500. Withholding tax is deducted from the interest only: net interest = gross interest × (1 − withholding rate). The default rate is the highest rate published for a 32-day TRY 100,000 deposit in the bank rate sheets on this site; enter your own bank’s rate to change the result.
Frequently Asked Questions
How much monthly interest does TRY 100,000 earn?
For 32 days at the banks’ average gross rate of 39.23%, TRY 100,000 earns TRY 3,439.34 gross and TRY 2,837.46 net after 17.5% withholding tax. At the highest rate (Alternatifbank 43%) net interest is TRY 3,110.14. Rates are bank rate sheet data dated November 2, 2026.
How much monthly interest does TRY 1 million earn?
For 32 days the average gross rate on TRY 1,000,000 is 39.94%; gross interest is TRY 35,015.89, net interest TRY 28,888.11. At the highest rate (Anadolubank 43%) net interest is TRY 31,101.37. Rates are bank rate sheet data dated November 2, 2026.
How is deposit interest calculated?
Gross interest = amount × annual rate × days / 36,500; net interest = gross interest − withholding tax. For example, TRY 100,000 at 40% a year for 32 days earns TRY 3,506.85 gross and TRY 2,893.15 net after 17.5% withholding tax.
What is the withholding tax on deposit interest?
Turkish lira time deposits are taxed at 17.5% up to 6 months, 15% up to 1 year and 10% above 1 year (Presidential Decision No. 10041, Official Gazette July 9, 2025). The bank withholds the tax from the interest at source; the rate in force when the account is opened or renewed applies.
Why does the formula use 36,500?
The rate is annual and written as a percentage, so it is divided by 100 and by the 365 days in a year: 365 × 100 = 36,500.