Summary
If you make $4,493 a year living in the region of Alabama, USA, you will be taxed $349. That means that your net pay will be $4,144 per year, or $345 per month. Your average tax rate is 7.8% and your marginal tax rate is 8.7%. 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 $8.65, hence, your net pay will only increase by $91.35.
Bonus Example
A $1,000 bonus will generate an extra $914 of net incomes. A $5,000 bonus will generate an extra $4,568 of net incomes.