Summary
If you make $1,370 a year living in the region of Michigan, USA, you will be taxed $163. That means that your net pay will be $1,207 per year, or $101 per month. Your average tax rate is 11.9% and your marginal tax rate is 11.9%. 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 $11.90, hence, your net pay will only increase by $88.10.
Bonus Example
A $1,000 bonus will generate an extra $881 of net incomes. A $5,000 bonus will generate an extra $4,405 of net incomes.