Summary
If you make 437,400 kr a year living in the region of Frederiksberg, Denmark, you will be taxed 132,909 kr. That means that your net pay will be 304,491 kr per year, or 25,374 kr per month. Your average tax rate is 30.4% and your marginal tax rate is 32.6%. 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 32.56 kr, hence, your net pay will only increase by 67.44 kr.
Bonus Example
A 1,000 kr bonus will generate an extra 674 kr of net incomes. A 5,000 kr bonus will generate an extra 3,372 kr of net incomes.