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What Size Flag Do I Need?

According to popular usage, the length of the flag should be approximately 1/4-1/3 the height of the pole.

Installing Flagpole
Shop Flagpoles
Pole Height Flag Size
16' 3’ x 5'
20' 3’ x 5’ or 4’ x 6’
25' 4’ x 6’ or 5’ x 8’
30' 5’ x 8’ or 6’ x 10’
35' 6’ x 10’ or 8’ x 12’
40' 6’ x 10’ or 8’ x 12’