Summary
If you make 13,620 kr a year living in the region of Guldborgsund, Denmark, you will be taxed 4,916 kr. That means that your net pay will be 8,704 kr per year, or 725 kr per month. Your average tax rate is 36.1% and your marginal tax rate is 33.1%. 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 33.05 kr, hence, your net pay will only increase by 66.95 kr.
Bonus Example
A 1,000 kr bonus will generate an extra 670 kr of net incomes. A 5,000 kr bonus will generate an extra 3,348 kr of net incomes.