How to Measure Patio Umbrella Size?
Umbrella size base on the arc size, open the umbrella then measure from one tip of one side then over the top to the tip of the other side. If the arc size is 60inch, then the umbrella size is 60inch, To double check the umbrella size, you also can measure open diameter size.
Here are some of the sizes of the umbrella for your reference.
32 inch: Arc diameter 32inch, open diameter:70cm;
38 inch: Arc diameter 38inch, open diameter:90cm;
42 inch: Arc diameter 42inch, open diameter:98cm;
46 inch: Arc diameter 46inch, open diameter:105cm;
50 inch: Arc diameter 50inch, open diameter:110cm;
54 inch: Arc diameter 54inch, open diameter:120cm;
60 inch: Arc diameter 60inch, open diameter:130cm;
68 inch: Arc diameter 68inch, open diameter:150cm;
72 inch: Arc diameter 72inch, open diameter:160cm;
80 inch: Arc diameter 80inch, open diameter:180cm;
88 inch: Arc diameter 88inch, open diameter:200cm;
96 inch: Arc diameter 96inch, open diameter:220cm;
104 inch: Arc diameter 104inch, open diameter:240cm;
120 inch: Arc diameter 120inch, open diameter:300cm;
Patio Umbrella - Choose the Correct Size
It is important to choose the correct size before purchasing a patio umbrella. Some things that will factor into the decision include whether you will be using your umbrella on a table or freestanding, as well as whether an offset umbrella is what you need. Of course, you cannot forget to take into account the amount of space you have for the umbrella.
Determining the size of your balcony, deck, or patio is an important step in choosing the size of your rectangular umbrella. Unless you have an open lawn where you plan to use your umbrella, it is important to take measurements of the area before making a purchase. If you discover you only have an 8′ x 10′ area for your umbrella, you won’t want to buy one that is 12 feet long. When taking your measurements, leave about six inches or so to be sure there will be enough room for the umbrella to open fully without getting caught on a tree or a wall.
Further measurements to consider are those of what you would like for your umbrella to shade. For a table umbrella this will be the table itself, while for a freestanding umbrella this will be the general area you want to be shaded by the umbrella. It is important to take into consideration the fact that sunlight is not constant all day, and so it is usually a good idea to get an umbrella larger than the space you want shaded to account for how the sun will move. If, however, you were planning on buying an offset patio umbrella, it will not need to be so large since you can change the angle of the umbrella.