Summary
If you make USh 4,019,990 a year living in Uganda, you will be taxed USh 340,998. That means that your net pay will be USh 3,678,992 per year, or USh 306,583 per month. Your average tax rate is 8.5% and your marginal tax rate is 25.1%. This marginal tax rate means that your immediate additional income will be taxed at this rate. For instance, an increase of USh 100 in your salary will be taxed USh 25.09, hence, your net pay will only increase by USh 74.91.
Bonus Example
A USh 1,000 bonus will generate an extra USh 749 of net incomes. A USh 5,000 bonus will generate an extra USh 3,746 of net incomes.