Summary
If you make $138,787 a year living in the region of Maryland, USA, you will be taxed $41,251. That means that your net pay will be $97,536 per year, or $8,128 per month. Your average tax rate is 29.7% and your marginal tax rate is 36.9%. 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 $36.90, hence, your net pay will only increase by $63.10.
Bonus Example
A $1,000 bonus will generate an extra $631 of net incomes. A $5,000 bonus will generate an extra $3,155 of net incomes.