Football (Size 5)
21.96 cm (8.646 in)
Diameter
The ball used in adult association football. Diameter: about 22 cm.
Published
How big is that?
21.96 cm is 2.6 times a credit card and 74% of an A4 sheet.
Football is the 16th smallest of the 39 Classic objects, and the 16th smallest of the 109 objects across all three SizeItUp games.
Closest in size from the other games: Archaeopteryx (Prehistoric Giants), 50 cm long.
Size comparison
To scale, smallest to largest: Football in orange beside the Classic objects nearest in size, in teal.
| Object | Size | vs Football |
|---|---|---|
| US dollar billA one-dollar note, measured along its long side. Every current US note is the same size. | 15.6 cm | 71% of the size |
| Bowling ball (Ten-pin)A ten-pin bowling ball with its three finger holes. | 21.83 cm across | about the same |
| Football (Size 5) | 21.96 cm across | – |
| Basketball (Size 7)The ball used in men's professional basketball. | 24.19 cm across | 1.1× bigger |
| Letter paper (US Letter)A standard North American sheet of printer paper, measured along its long side. | 27.94 cm | 1.3× bigger |
In other units
| Millimetres | 219.6 |
|---|---|
| Centimetres | 21.96 |
| Metres | 0.2196 |
| Inches | 8.646 |
| Feet | 0.7205 |
How it's measured
Diameter. Derived from the midpoint of the circumference range: 69 cm / pi = 21.96 cm.
The source gives a range, so this is the middle of it.
Sources
- theifab.com: IFAB Laws of the Game, Law 2: circumference between 68 cm and 70 cm.
Checked against the source on .
Could you have guessed it by eye?
Football is one of the objects in Classic, a daily size comparison game: you stretch a shape to the size you think is right beside one you know.