Summary
If you make $12,948 a year living in the region of Wisconsin, USA, you will be taxed $1,216. That means that your net pay will be $11,732 per year, or $978 per month. Your average tax rate is 9.4% and your marginal tax rate is 16.3%. 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 $16.25, hence, your net pay will only increase by $83.75.
Bonus Example
A $1,000 bonus will generate an extra $838 of net incomes. A $5,000 bonus will generate an extra $4,188 of net incomes.