Summary
If you make 505,440 kr a year living in the region of Frederikshavn, Denmark, you will be taxed 171,542 kr. That means that your net pay will be 333,898 kr per year, or 27,825 kr per month. Your average tax rate is 33.9% and your marginal tax rate is 36.2%. 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 36.17 kr, hence, your net pay will only increase by 63.83 kr.
Bonus Example
A 1,000 kr bonus will generate an extra 638 kr of net incomes. A 5,000 kr bonus will generate an extra 3,192 kr of net incomes.