Summary
If you make 590,400 kr a year living in the region of Haderslev, Denmark, you will be taxed 203,099 kr. That means that your net pay will be 387,301 kr per year, or 32,275 kr per month. Your average tax rate is 34.4% and your marginal tax rate is 38.6%. 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 38.57 kr, hence, your net pay will only increase by 61.43 kr.
Bonus Example
A 1,000 kr bonus will generate an extra 614 kr of net incomes. A 5,000 kr bonus will generate an extra 3,072 kr of net incomes.