Summary
If you make 839,800 kr a year living in the region of Middelfart, Denmark, you will be taxed 319,854 kr. That means that your net pay will be 519,946 kr per year, or 43,329 kr per month. Your average tax rate is 38.1% and your marginal tax rate is 48.7%. 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 48.73 kr, hence, your net pay will only increase by 51.27 kr.
Bonus Example
A 1,000 kr bonus will generate an extra 513 kr of net incomes. A 5,000 kr bonus will generate an extra 2,564 kr of net incomes.