Which Flag Size?

The maximum size flag on a flagpole varies depending on what material is used to construct the flagpole.

The general formula for determining flag size is that the longest side of the flag should be ¼ the height of the flagpole.

Aluminum flagpoles:

Pole Height Above Ground (in M)
Maximum Flag Size (in cm)
6m90cm x 150cm
7.5m120cm x 180cm
9m150cm x 240cm
10cm180cm x 300cm
12cm240cm x 365cm
15cm300cm x 450cm
18cm360cm x 540cm
21cm457cm x 762cm