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To help compare different orders of magnitude this page lists lengths between 10^{−2} m and 10^{−1} m (1 cm and 10 cm).

- 1 cm — 10 millimeters
- 1 cm — 0.39 inches
- 1 cm — edge of square of area 1 cm
^{2} - 1 cm — edge of cube of volume 1 ml
- 1 cm — approximate width of average fingernail
- 1.5 cm — length of a very large mosquito
- 2 cm — approximate width of an adult Human finger
- 2.54 cm — 1 inch
- 3.1 cm — 1 attoparsec (10
^{−18}parsecs) - 3.5 cm — width of film commonly used in motion pictures and still photography
- 4.3 cm — minimum diameter of a golf ball
^{[1]} - 7.3-7.5 cm — diameter of a baseball
^{[2]} - 8.6 cm × 5.4 cm — dimensions of a typical credit card
^{[3]}

**^**"USGA: Guide to the Rules on Clubs and Balls". USGA. Retrieved 2011-09-30.**^**"Official Rules". MLB. Retrieved 2011-09-30.**^**"Credit Card Dimensions". Retrieved 2011-09-30.

Orders of magnitude for length in E notation | |||||||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|

shorter than one metre: | |||||||||||||||||||||||||

<-12 | −12 | −11 | −10 | −9 | −8 | −7 | −6 | −5 | −4 | −3 | −2 | −1 | 0 | ||||||||||||

longer than 1 metre: | |||||||||||||||||||||||||

1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 |