Summary
If you make 8,436,740 kr a year living in the region of Kalundborg, Denmark, you will be taxed 3,966,171 kr. That means that your net pay will be 4,470,569 kr per year, or 372,547 kr per month. Your average tax rate is 47.0% and your marginal tax rate is 48.1%. 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 48.11 kr, hence, your net pay will only increase by 51.89 kr.
Bonus Example
A 1,000 kr bonus will generate an extra 519 kr of net incomes. A 5,000 kr bonus will generate an extra 2,595 kr of net incomes.