Summary
If you make $12,948 a year living in the region of South Carolina, USA, you will be taxed $1,421. That means that your net pay will be $11,528 per year, or $961 per month. Your average tax rate is 11.0% and your marginal tax rate is 18.7%. 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 $18.71, hence, your net pay will only increase by $81.29.
Bonus Example
A $1,000 bonus will generate an extra $813 of net incomes. A $5,000 bonus will generate an extra $4,065 of net incomes.