Summary
If you make $40,310 a year living in the region of Wyoming, USA, you will be taxed $6,161. That means that your net pay will be $34,149 per year, or $2,846 per month. Your average tax rate is 15.3% and your marginal tax rate is 19.7%. 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 $19.65, hence, your net pay will only increase by $80.35.
Bonus Example
A $1,000 bonus will generate an extra $804 of net incomes. A $5,000 bonus will generate an extra $4,018 of net incomes.