Summary
If you make 437,400 kr a year living in the region of Kalundborg, Denmark, you will be taxed 139,722 kr. That means that your net pay will be 297,678 kr per year, or 24,806 kr per month. Your average tax rate is 31.9% and your marginal tax rate is 34.3%. 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 34.32 kr, hence, your net pay will only increase by 65.68 kr.
Bonus Example
A 1,000 kr bonus will generate an extra 657 kr of net incomes. A 5,000 kr bonus will generate an extra 3,284 kr of net incomes.