Summary
If you make 609,138 kr a year living in the region of Kalundborg, Denmark, you will be taxed 199,938 kr. That means that your net pay will be 409,200 kr per year, or 34,100 kr per month. Your average tax rate is 32.8% and your marginal tax rate is 36.9%. 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 36.92 kr, hence, your net pay will only increase by 63.08 kr.
Bonus Example
A 1,000 kr bonus will generate an extra 631 kr of net incomes. A 5,000 kr bonus will generate an extra 3,154 kr of net incomes.