Sign Calculator Determine Your Sign's Letter Size Based On Select Letter Size1"2"3"4"5"6"7"8"9"10"11"12"13"14"15"16"17"18"19"20"21"22"23"24"25"26"27"28"29"30"31"32"33"34"35"36" 11.522.533.544.555.56 35 21 ft 1" 3" Creative-Printing.com