Summary
If you make $49,992 a year living in the region of Iowa, USA, you will be taxed $10,171. That means that your net pay will be $39,821 per year, or $3,318 per month. Your average tax rate is 20.4% and your marginal tax rate is 25.6%. This marginal tax rate means that your immediate additional income will be taxed at this rate. For instance, an increase of $100 in your salary will be taxed $25.62, hence, your net pay will only increase by $74.38.
Bonus Example
A $1,000 bonus will generate an extra $744 of net incomes. A $5,000 bonus will generate an extra $3,719 of net incomes.