Summary
If you make 978,758 kr a year living in the region of Kalundborg, Denmark, you will be taxed 377,688 kr. That means that your net pay will be 601,070 kr per year, or 50,089 kr per month. Your average tax rate is 38.6% 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 48.12 kr, hence, your net pay will only increase by 51.88 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 2,594 kr of net incomes.