Summary
If you make $50,500 a year living in the region of Washington, USA, you will be taxed $8,388. That means that your net pay will be $42,112 per year, or $3,509 per month. Your average tax rate is 16.6% and your marginal tax rate is 20.6%. 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 $20.64, hence, your net pay will only increase by $79.36.
Bonus Example
A $1,000 bonus will generate an extra $794 of net incomes. A $5,000 bonus will generate an extra $3,968 of net incomes.