Adult hand vs Water bottle: size comparison
Adult hand: 18.9 cm. Water bottle: 32 cm. Both silhouettes are drawn at the same scale.
Size ratio: ×1.7
Adult hand
18.9 cm
What is measured Length of an adult hand, wrist to middle fingertip
A hand has 27 bones: both hands hold a quarter of all the bones in the body.
Source : Wikipedia — Hand
Water bottle
32 cm
What is measured Height of a 1.5 L water bottle
Full, it weighs a little over 1.5 kg.
Source : Wikipedia — Plastic bottle