A4 sheet vs Labrador retriever: size comparison
A4 sheet: 29.7 cm. Labrador retriever: 57 cm. Both silhouettes are drawn at the same scale.
Size ratio: ×1.9
A4 sheet
29.7 cm
What is measured Height of an A4 sheet (ISO 216)
Fold an A4 in half and you get A5: the side ratio stays √2.
Source : Wikipedia — ISO 216
Labrador retriever
57 cm
What is measured Shoulder height of a male Labrador
A dog's height is measured at the withers, the top of the shoulders — not the head.
Source : Wikipedia — Labrador Retriever