Summary
If you make 1,229,280 kr a year living in the region of Herlev, Denmark, you will be taxed 489,981 kr. That means that your net pay will be 739,299 kr per year, or 61,608 kr per month. Your average tax rate is 39.9% and your marginal tax rate is 47.4%. 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 47.42 kr, hence, your net pay will only increase by 52.58 kr.
Bonus Example
A 1,000 kr bonus will generate an extra 526 kr of net incomes. A 5,000 kr bonus will generate an extra 2,629 kr of net incomes.