1 decametre
From Infogalactic: the planetary knowledge core
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A clickable mosaic of objects
at scales within direct human experience, from the micrometric (10−6 m, top left) to the multi-kilometric (105 m, bottom right).
at scales within direct human experience, from the micrometric (10−6 m, top left) to the multi-kilometric (105 m, bottom right).
A Blue whale has been measured as 33 metres long; this drawing compares its length to that of a human diver and a dolphin
To help compare different orders of magnitude this page lists lengths between 10 metres and 100 metres.
Contents
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 feet
- side of square with area 100 m²
Human-defined scales and structures
- 10 metres – wavelength of the highest shortwave radio frequency, 30 MHz
- 23 metres – height of the obelisk of the Place de la Concorde, Paris, France.
- 25 metres – wavelength of the broadcast radio shortwave band at 12 MHz
- 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, 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
- 60 metres – height of Pyramid of Djoser[citation needed]
- 64 metres – wingspan of a Boeing 747-400
- 70 metres – length of the Bayeux Tapestry
- 70 metres – width of a typical football field
- 88.40 metres – wingspan of the Antonov An-225 Mriya transport aircraft
- 100 metres – wavelength of the lowest shortwave radio frequency, 3 MHz
Sports
- 11 metres – approximate width of a doubles tennis court
- 15 metres – width of a standard FIBA basketball court
- 15.24 metres – width of an NBA basketball court (50 feet)
- 18.44 metres – distance between the front of the pitcher's rubber and the rear point of home plate on a baseball field (60 feet, 6 inches)[1]
- 20 metres – length of cricket pitch (22 yards)[2]
- 27.43 metres – distance between bases on a baseball field (90 feet)
- 28 metres – length of a standard FIBA basketball court
- 28.65 metres – length of an NBA basketball court (94 feet)
- 49 metres – width of an American football field (53⅓ yards)
- 59.436 metres – width of a Canadian football field (65 yards)
- 70 metres – typical width of soccer field
- 91 metres – length of American football field (100 yards, measured between the goal lines)
- 105 metres – length of football pitch (UEFA Stadium Category 3 and 4)
Nature
- 10 metres – average length of human digestive tract[citation needed]
- 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,[3] the largest animal on earth, living or extinct, in terms of mass
- 35 metres – length of a Supersaurus, the longest known dinosaur and longest vertebrate[citation needed]
- 40 metres – average depth beneath the seabed of the Channel tunnel[citation needed]
- 52 metres – height of Niagara Falls[4]
Astronomical
Notes
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