Summary
If you make $10,400 a year living in the region of Hawaii, USA, you will be taxed $1,273. That means that your net pay will be $9,127 per year, or $761 per month. Your average tax rate is 12.2% and your marginal tax rate is 14.6%. 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 $14.55, hence, your net pay will only increase by $85.45.
Bonus Example
A $1,000 bonus will generate an extra $855 of net incomes. A $5,000 bonus will generate an extra $4,273 of net incomes.