Summary
If you make 126,503 kr a year living in the region of Roskilde, Denmark, you will be taxed 41,307 kr. That means that your net pay will be 85,196 kr per year, or 7,100 kr per month. Your average tax rate is 32.7% and your marginal tax rate is 32.3%. 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 32.31 kr, hence, your net pay will only increase by 67.69 kr.
Bonus Example
A 1,000 kr bonus will generate an extra 677 kr of net incomes. A 5,000 kr bonus will generate an extra 3,385 kr of net incomes.