Summary
If you make 601,385 kr a year living in the region of Frederikssund, Denmark, you will be taxed 204,885 kr. That means that your net pay will be 396,500 kr per year, or 33,042 kr per month. Your average tax rate is 34.1% and your marginal tax rate is 38.2%. 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 38.21 kr, hence, your net pay will only increase by 61.79 kr.
Bonus Example
A 1,000 kr bonus will generate an extra 618 kr of net incomes. A 5,000 kr bonus will generate an extra 3,090 kr of net incomes.