The basis for calculating the snow load is the snow load zone in which the structure is located. To determine the snow load zone as well as the characteristic value of the snow load s k to best take the online service Geo-load determination to complete. You can find it on the Dlubal website:
In addition to the snow load zone, the wind zone and earthquake zone for the desired location can also be determined here. In addition to Germany's load cards, the Dlubal web application offers many other countries or standards.