Calculate your legal rent increase with 2026 CPI (Consumer Price Index) rates. Enter your current rent, see the new amount and difference instantly.
| Renewal Month | 12-Month CPI Average | Max Increase |
|---|---|---|
| Jan 2026 | 44.38% | 44.38% |
| Feb 2026 | 42.12% | 42.12% |
| Mar 2026 | 39.87% | 39.87% |
| Apr 2026 | 37.64% | 37.64% |
| May 2026 | 35.18% | 35.18% |
| Jun 2026 | 33.22% | 33.22% |
| Jul 2026 | 31.50% | 31.50% |
| Aug 2026 | 29.85% | 29.85% |
Calculate in 3 steps.
Enter your monthly rent in TL.
Select the month your lease renews. CPI rate is based on this.
Click Calculate. Legal rate, new rent and difference shown.
Based on 12-month CPI average published by TÜİK.
Consumer Price Index measuring price changes in goods and services.
No. Turkish Code of Obligations limits increase to 12-month CPI average.
Landlord can request court-determined market rent.
No. Removed in July 2024. Now 12-month CPI average applies.
At lease renewal, typically the month the contract started.
No. Only forward from renewal date.
Yes. Completely free.
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