Summary
If you make 661,860 kr a year living in the region of Herlev, Denmark, you will be taxed 220,929 kr. That means that your net pay will be 440,931 kr per year, or 36,744 kr per month. Your average tax rate is 33.4% 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.