Summary
If you make 429,528 kr a year living in the region of Frederikssund, Denmark, you will be taxed 142,438 kr. That means that your net pay will be 287,090 kr per year, or 23,924 kr per month. Your average tax rate is 33.2% and your marginal tax rate is 35.7%. 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 35.74 kr, hence, your net pay will only increase by 64.26 kr.
Bonus Example
A 1,000 kr bonus will generate an extra 643 kr of net incomes. A 5,000 kr bonus will generate an extra 3,213 kr of net incomes.