Summary
If you make 121,800,648 TL a year living in Turkey, you will be taxed 50,856,159 TL. That means that your net pay will be 70,944,489 TL per year, or 5,912,041 TL per month. Your average tax rate is 41.8% and your marginal tax rate is 41.8%. This marginal tax rate means that your immediate additional income will be taxed at this rate. For instance, an increase of 100 TL in your salary will be taxed 41.76 TL, hence, your net pay will only increase by 58.24 TL.
Bonus Example
A 1,000 TL bonus will generate an extra 582 TL of net incomes. A 5,000 TL bonus will generate an extra 2,912 TL of net incomes.