Computer keyboard vs Football: size comparison
Computer keyboard: 44 cm. Football: 22 cm. Both silhouettes are drawn at the same scale.
Size ratio: ×2
Computer keyboard
44 cm
What is measured Width of a full-size computer keyboard
The spacing between key centres is standardised at 19 mm.
Source : Wikipedia — Computer keyboard
Football
22 cm
What is measured Diameter of a size 5 football
It must weigh between 410 and 450 g at kick-off.