Summary
If you make USh 399,100,000 a year living in Uganda, you will be taxed USh 166,519,000. That means that your net pay will be USh 232,581,000 per year, or USh 19,381,750 per month. Your average tax rate is 41.7% and your marginal tax rate is 45.0%. 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 45, hence, your net pay will only increase by USh 55.
Bonus Example
A USh 1,000 bonus will generate an extra USh 550 of net incomes. A USh 5,000 bonus will generate an extra USh 2,750 of net incomes.