Generally speaking, the diameter of small and medium-sized trees is usually between a few inches and a few tens of inches. A .325"chainsaw chain is sufficient for cutting small and medium-sized trees with diameters ranging from a few inches to several tens of inches.
However, it should be noted that in addition to the size of the chainsaw chain, the power and efficiency of the chainsaw are also important factors determining its suitability for tree size. If the power of the chain saw is low, even if the size of the chain saw is suitable, it may not be able to effectively cut large trees. In addition, different types of trees may have different hardness, texture, and growth environment, which can also affect the cutting effect of chain saws.
In summary, for small and medium-sized trees, a .325"chainsaw chain is usually suitable. But in order to ensure the best cutting effect and safety, it is recommended to comprehensively consider factors such as the power, efficiency, and size of the chain saw when selecting it, and choose a suitable chain saw according to actual needs.