Letter paper (US Letter)
27.94 cm (11 in)
Long side
A standard North American sheet of printer paper, measured along its long side. 8½ by 11 inches (21.6 by 27.9 cm).
Published
How big is that?
27.94 cm is 3.3 times a credit card and 16% of an adult man.
Letter paper is the 18th smallest of the 39 Classic objects, and the 18th 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: Letter paper in orange beside the Classic objects nearest in size, in teal.
| Object | Size | vs Letter paper |
|---|---|---|
| Football (Size 5)The ball used in adult association football. | 21.96 cm across | 79% of the size |
| Basketball (Size 7)The ball used in men's professional basketball. | 24.19 cm across | 87% of the size |
| Letter paper (US Letter) | 27.94 cm | – |
| A4 sheet of paper (Portrait)The standard office paper size used across most of the world. | 29.7 cm | 1.1× bigger |
| Bowling pin (Ten-pin)A regulation pin for ten-pin bowling. | 38.1 cm tall | 1.4× bigger |
In other units
| Millimetres | 279.4 |
|---|---|
| Centimetres | 27.94 |
| Metres | 0.2794 |
| Inches | 11 |
| Feet | 0.9167 |
How it's measured
Long side. US Letter size as stated in US federal regulations, converted from 11 in.
Sources
- ecfr.gov: 37 CFR 1.52: 21.6 cm by 27.9 cm (8 1/2 by 11 inches).
- ecfr.gov (supporting): 28 CFR 542.14: letter-size (8 1/2 by 11 inches).
Checked against the source on .
Could you have guessed it by eye?
Letter paper 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.