If you make USh 1,500,000 a year living in Uganda, you will be taxed USh 78,066. That means that your net pay will be USh 1,421,934 per year, or USh 118,495 per month. Your average tax rate is 5.2% and your marginal tax rate is 5.9%. 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 5.87, hence, your net pay will only increase by USh 94.13.
A USh 1,000 bonus will generate an extra USh 941 of net incomes. A USh 5,000 bonus will generate an extra USh 4,707 of net incomes.