Summary
If you make $18,283 a year living in the region of Louisiana, USA, you will be taxed $2,366. That means that your net pay will be $15,917 per year, or $1,326 per month. Your average tax rate is 12.9% and your marginal tax rate is 21.2%. 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 $21.15, hence, your net pay will only increase by $78.85.
Bonus Example
A $1,000 bonus will generate an extra $789 of net incomes. A $5,000 bonus will generate an extra $3,943 of net incomes.