Summary
If you make 513,396 kr a year living in the region of Lolland, Denmark, you will be taxed 175,700 kr. That means that your net pay will be 337,696 kr per year, or 28,141 kr per month. Your average tax rate is 34.2% and your marginal tax rate is 36.5%. 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 36.45 kr, hence, your net pay will only increase by 63.55 kr.
Bonus Example
A 1,000 kr bonus will generate an extra 636 kr of net incomes. A 5,000 kr bonus will generate an extra 3,178 kr of net incomes.