Adult hand vs Consumer drone: size comparison
Adult hand: 18.9 cm. Consumer drone: 35 cm. Both silhouettes are drawn at the same scale.
Size ratio: ×1.9
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
Consumer drone
35 cm
What is measured Span of a consumer drone, propellers included
In Europe, a consumer drone must stay below 120 m altitude.
Source : Wikipedia — Quadcopter