The size of your sticker can be adjusted to suit your needs. As a broad guide for standard sticker sizes: Small stickers measure between 2 and 5 centimetres (20-50 millimetres, or approximately 0.8 to 2 inches) across in diameter or width. Medium stickers range from 5 to 10 centimetres (50-100 millimetres, or 2 to 3.9 inches) across. Large stickers are sized from 10 to 30 centimetres (100-300 millimetres, or 3.9 to 11.8 inches) in diameter or width. Extra-large stickers span from 30 centimetres to over 60 centimetres (300-600 millimetres, or 11.8 to 23.6 inches and above) in diameter or width.