There are a variety of factors to consider when you are determining the size of the canopy that you are going to need. The most important consideration is going to be the space that you have available. You cannot use a canopy that is bigger than the area that you have. Next consider how many people the canopy needs to accommodate. If your event is going to be standing style without tables or other furnishings, there is a simple rule to determine the canopy size. You will need about 10-12 sq. ft. per person.
If your event is a meal or is furnished, choosing the canopy size is going to require a bit more thought. Here are some guidelines to follow for different types of events:
To make sure that you are choosing the right size canopy make sure that you are considering all furnishings, equipment, and staff In addition to the amount of guests. It is always best to purchase a bit bigger than you plan for to cover unexpected guests and staff in addition to other unforeseen needs. So now you have some homework to do but it's best to make sure that you are choosing the right size rather than finding out the day of your event there just isn't enough room for everything or every one!