The type of psychedelic experience is heavily influenced by the dose taken, as well as the set and setting.

There are many terms used to describe a particular size of dose, often based on the intended purpose, but they typically refer to a range of dose since everyone's sensitivity is different. It is recommended to err on the side of caution, and start with a smaller dose.

The following chart is based on one found on Monster Children, which is apparently based on an original chart from Reality Sandwich's Magic Mushroom Dosage Guide: