Choosing the right length of snowboard depends on several factors, including your weight, height, riding style, and ability level. As a general rule, if you stand a board on its tail, the nose of the board should reach somewhere between your nose and chin. However, this is just a starting point, and other factors should also be considered. For example, if you are a beginner, it is recommended to go with a shorter board (3-5cm shorter) . On the other hand, if you are mostly freeriding, consider getting a slightly longer board for more stability and speed. If you are interested in freestyle riding, a shorter board can be easier to do spin tricks, get up on rails, or rotate in the air.

To determine the appropriate board length, you can use your height, weight, boot size, and riding style. Most snowboard size charts are simply a snowboard height chart, and a good rule of thumb is for your board to stand at about chin height. However, you should also keep in mind that recommended snowboard length can vary depending on the manufacturer and model. Some manufacturers release the weight range for each size of a particular board, and it is recommended to fit within that range.

In summary, to choose the right length of snowboard, you should consider your weight, height, riding style, and ability level. A good starting point is for your board to stand at about chin height, but other factors should also be taken into account.