Summary
If you make 585,000 kr a year living in the region of Frederiksberg, Denmark, you will be taxed 181,618 kr. That means that your net pay will be 403,382 kr per year, or 33,615 kr per month. Your average tax rate is 31.1% and your marginal tax rate is 35.2%. This marginal tax rate means that your immediate additional income will be taxed at this rate. For instance, an increase of 100 kr in your salary will be taxed 35.17 kr, hence, your net pay will only increase by 64.83 kr.
Bonus Example
A 1,000 kr bonus will generate an extra 648 kr of net incomes. A 5,000 kr bonus will generate an extra 3,242 kr of net incomes.