Summary
If you make $173,750 a year living in the region of Maryland, USA, you will be taxed $52,548. That means that your net pay will be $121,202 per year, or $10,100 per month. Your average tax rate is 30.2% and your marginal tax rate is 31.0%. 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 $30.95, hence, your net pay will only increase by $69.05.
Bonus Example
A $1,000 bonus will generate an extra $691 of net incomes. A $5,000 bonus will generate an extra $3,453 of net incomes.