Summary
If you make $143,000 a year living in the region of Maryland, USA, you will be taxed $42,750. That means that your net pay will be $100,250 per year, or $8,354 per month. Your average tax rate is 29.9% and your marginal tax rate is 35.0%. 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 $35.04, hence, your net pay will only increase by $64.96.
Bonus Example
A $1,000 bonus will generate an extra $650 of net incomes. A $5,000 bonus will generate an extra $3,248 of net incomes.