Chair vs Newborn: size comparison
Chair: 90 cm. Newborn: 50 cm. Both silhouettes are drawn at the same scale.
Size ratio: ×1.8
Chair
90 cm
What is measured Total height of a dining chair
The seat is almost always around 45 cm from the floor.
Source : Wikipedia — Chair
Newborn
50 cm
What is measured Average length of a full-term newborn
Its head is about a quarter of its total length.
Source : Wikipedia — Infant