Football vs Pizza: size comparison
Football: 22 cm. Pizza: 33 cm. Both silhouettes are drawn at the same scale.
Size ratio: ×1.5
Football
22 cm
What is measured Diameter of a size 5 football
It must weigh between 410 and 450 g at kick-off.
Pizza
33 cm
What is measured Diameter of a large pizza
A 33 cm pizza has almost twice the area of a 23 cm one.
Source : Wikipedia — Pizza