D&D 5 Encounters Difficulty and Treasures Calculator Tool
This online application will allow you to determine a D&D 5 Encounter difficulty and the related Treasures.
PC : add how many PC as you need, then specify the level for each of them. The level of the first PC automatically applies to all others.
Creatures : add creatures, then select the type of each of them and indicate their number. When you select a creature, its XP is automatically displayed, but the value could be changed manually.
Calculate : automatically calculate the encounter difficulty. The shared XP between PC and the Individual Treasures for each creature will also be indicated. Then you will get the option to determine the Hoard Treasures based on the CR you choose.