1 decametre

To help compare different orders of magnitude this page lists lengths between 10 metres and 100 metres.

"1 E0 mDistances shorter than 10 metres"
Conversions

10 metres (very rarely termed a decametre which is abbreviated as dam) is equal to:
10 metres
100 decimetres
1,000 centimetres
10,000 millimetres
32.8 Foot (length)feet
side of Square (geometry)square with area 1 E+2 m²100 m²

Human-defined scales and structures
10 metres — wavelength of the highest shortwave radio frequency, 1 E7 Hz30 megaMhertzHz
23 metres — height of Luxor Obeliskthe obelisk of the Place de la Concorde, Paris, France.
25 metres — wavelength of the broadcast radio shortwave band at 1 E7 Hz12 megaMhertzHz
29 metres — height of the lighthouse at Savudrija, Slovenia.
31 metres — wavelength of the broadcast radio shortwave band at 9.7 MHz
34 metres — height of the Split Point Lighthouse in Aireys Inlet, VictoriaAireys Inlet, Victoria (Australia)Victoria, Australia.
40 metres — average depth beneath the seabed of the Channel tunnel
49 metres — wavelength of the broadcast radio shortwave band at 6.1 MHz
55 metres — height of the Leaning Tower of Pisa

64 metres — wingspan of a Boeing 747-400
70 metres — length of the Bayeux Tapestry
70 metres — width of a typical Association footballfootball field
88.40 metres — wingspan of the Antonov An-225 transport aircraft
100 metres — wavelength of the lowest shortwave radio frequency, 1 E6 Hz3 MHz

Sports
11 metres — approximate width of a 'doubles' tennis court


27.43 metres (90 feet) — distance between bases on a baseball field
49 metres — width of an American football field (53 1/3 yards)
70 metres — width of Association footballsoccer field
91 metres — length of American football field (100 yards, measured between the goal lines)

Nature

12 metres — length of a whale shark, largest living fish
12 metres — wingspan of a 'Quetzalcoatlus', a pterosaur
13 metres — length of a giant squid and colossal squid, the largest living invertebrates
15 metres — approximate distance the tropical circles of latitude are moving towards the equator and the polar circles are moving towards the poles each year due to a natural, gradual decrease in the Earth's axial tilt
18 metres — height of a 'Sauroposeidon', the tallest known dinosaur
20 metres — length of a 'Leedsichthys', the largest known fish ever lived
21 metres — height of High Force waterfall in England
33 metres — longest measured length of a blue whale, the largest animal on earth, living or extinct, in terms of mass




Astronomical
30 metres — diameter of , a rapidly spinning meteoroid

"1 E+2 mDistances longer than 100 metres"

See alsoNotes




en.wikipedia.org