Summary
If you make $12,979 a year living in the region of Maryland, USA, you will be taxed $1,522. That means that your net pay will be $11,457 per year, or $955 per month. Your average tax rate is 11.7% 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 $19.69, hence, your net pay will only increase by $80.31.
Bonus Example
A $1,000 bonus will generate an extra $803 of net incomes. A $5,000 bonus will generate an extra $4,016 of net incomes.