Summary
If you make 1,013 kr a year living in the region of Frederiksberg, Denmark, you will be taxed 1,249 kr. That means that your net pay will be 41.55 kr per year, or 3.46 kr per month. Your average tax rate is 96.8% and your marginal tax rate is 16.4%. 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 16.36 kr, hence, your net pay will only increase by 83.64 kr.
Bonus Example
A 1,000 kr bonus will generate an extra 836 kr of net incomes. A 5,000 kr bonus will generate an extra 4,182 kr of net incomes.