Deposit Interest Calculator
Enter an amount, a term and an annual rate to get gross interest and the amount at maturity. The default rate is the average gross rate banks pay on a 32-day TRY 100,000 deposit. Results are gross amounts; tax is not deducted.
Last updated: Source: Bank rate sheets
The average annual gross rate 15 banks pay on a 32-day TRY 100,000 deposit is 40.05%. At this rate TRY 100,000 earns TRY 3,511.23 gross in 32 days, TRY 103,511.23 gross at maturity.
The highest rate is 44% at Alternatifbank: gross interest for the same amount and term is TRY 3,857.53.
Deposit Interest Calculator
- Gross interest
- TRY 3,511.23
- Amount at maturity (gross)
- TRY 103,511.23
- Gross interest per 30 days
- TRY 3,291.78
Results are gross amounts; tax is not deducted.
Gross 32-Day Interest by Amount
| Amount | Avg. gross rate | Gross interest |
|---|---|---|
| TRY 100,000 | 40.05% | TRY 3,511.23 |
| TRY 250,000 | 40.42% | TRY 8,859.18 |
| TRY 500,000 | 40.65% | TRY 17,819.18 |
| TRY 1,000,000 | 40.68% | TRY 35,664.66 |
| TRY 5,000,000 | 40.9% | TRY 179,287.67 |
Gross Interest by Term (TRY 100,000)
| Term | Avg. gross rate | Gross interest |
|---|---|---|
| 32 days | 40.05% | TRY 3,511.23 |
| 92 days | 36.17% | TRY 9,116.82 |
| 181 days | 34.1% | TRY 16,909.86 |
| 365 days | 32.95% | TRY 32,950.00 |
Bank Rates and Gross Return (32 Days, TRY 100,000)
| Alternatifbank | 44% | TRY 3,857.53 |
| Anadolubank | 44% | TRY 3,857.53 |
| Fibabanka | 44% | TRY 3,857.53 |
| ON Dijital | 42.5% | TRY 3,726.03 |
| CEPTETEB | 42% | TRY 3,682.19 |
| DenizBank | 42% | TRY 3,682.19 |
| Odeabank | 42% | TRY 3,682.19 |
| QNB Finansbank | 42% | TRY 3,682.19 |
| TEB | 42% | TRY 3,682.19 |
| GetirFinans | 41% | TRY 3,594.52 |
| Akbank | 39% | TRY 3,419.18 |
| Garanti BBVA | 38% | TRY 3,331.51 |
| Türkiye İş Bankası | 36.5% | TRY 3,200.00 |
| Halkbank | 32% | TRY 2,805.48 |
| Enpara | 29.75% | TRY 2,608.22 |
The same amount in a money market fund
Over the last month the median return of 39 money market funds was 3.21%. For TRY 100,000 that is a TRY 3,213.70 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 Deposit Interest Calculator
The calculator uses simple interest: gross interest = amount × annual rate × days / 36,500. The default rate is the average of the rates 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. Results are gross amounts; tax is not deducted.
Frequently Asked Questions
How much monthly interest does TRY 100,000 earn?
For 32 days at the banks’ average gross rate of 40.05%, gross interest on TRY 100,000 is TRY 3,511.23. At the highest rate (Alternatifbank 44%) gross interest is TRY 3,857.53. Rates as of Sep 29, 2026, 12:37.
How much monthly interest does TRY 1 million earn?
For 32 days the average gross rate on TRY 1,000,000 is 40.68%; gross interest is TRY 35,664.66. At the highest rate (Alternatifbank 44%) gross interest is TRY 38,575.34. Rates as of Sep 29, 2026, 12:37.
How is deposit interest calculated?
Gross interest = amount × annual rate × days / 36,500. For example, TRY 100,000 at 40% a year for 32 days earns TRY 3,506.85 gross.
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.
Does the calculation include tax?
No. Results are gross amounts; tax is not deducted. Tax on deposit interest is withheld at source by the bank; ask your bank for the rate that applies to your account.