Summary
If you make 3,660 kr a year living in the region of Ringsted, Denmark, you will be taxed 1,635 kr. That means that your net pay will be 2,025 kr per year, or 169 kr per month. Your average tax rate is 44.7% and your marginal tax rate is 22.1%. 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 22.09 kr, hence, your net pay will only increase by 77.91 kr.
Bonus Example
A 1,000 kr bonus will generate an extra 779 kr of net incomes. A 5,000 kr bonus will generate an extra 3,896 kr of net incomes.