Summary
If you make $21,645 a year living in the region of Texas, USA, you will be taxed $2,537. That means that your net pay will be $19,108 per year, or $1,592 per month. Your average tax rate is 11.7% and your marginal tax rate is 18.4%. 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 $18.36, hence, your net pay will only increase by $81.64.
Bonus Example
A $1,000 bonus will generate an extra $816 of net incomes. A $5,000 bonus will generate an extra $4,082 of net incomes.