Hour categories determine the financial settlement of registered hours. Depending on the hour category, the job group on the employee and the administration settings, the different surcharge percentages are determined for cost price and subsequent calculation of the operation and the time spent and any overtime position, split into a man and machine part.

In MKG wordt gebruikgemaakt van de procestabel 'Uursoorten' om aan te geven op welke manier man- en/of bewerkingsuren geregistreerd moeten worden.