1 E1 m
Encyclopedia
Metre
The metre , symbol m, is the base unit of length in the International System of Units . Originally intended to be one ten-millionth of the distance from the Earth's equator to the North Pole , its definition has been periodically refined to reflect growing knowledge of metrology...
s and 100 metres.
Distances shorter than 10 metres
1 E0 m
To help compare different orders of magnitude this page lists lengths between one metre and ten metres.Distances shorter than 1 m-Conversions:1 metre is:* 10 decimetres* 100 centimetres* 1000 millimetres* 39.37 inches* 3.28 feet...
Conversions
10 metres (very rarely termed a decametreDecametre
A decametre or dekametre is a very rarely used unit of length in the metric system, equal to ten metres, the SI base unit of length. It can be written in scientific notation as , meaning .This measure is included mostly for completeness...
which is abbreviated as dam) is equal to:
- 10 metreMetreThe metre , symbol m, is the base unit of length in the International System of Units . Originally intended to be one ten-millionth of the distance from the Earth's equator to the North Pole , its definition has been periodically refined to reflect growing knowledge of metrology...
s - 100 decimetreDecimetreA decimetre is a unit of length in the metric system, equal to one tenth of a metre, the SI base unit of length. In simple words there are 10 cm in a decimetre....
s - 1,000 centimetreCentimetreA centimetre is a unit of length in the metric system, equal to one hundredth of a metre, which is the SI base unit of length. Centi is the SI prefix for a factor of . Hence a centimetre can be written as or — meaning or respectively...
s - 10,000 millimetreMillimetreThe millimetre is a unit of length in the metric system, equal to one thousandth of a metre, which is the SI base unit of length....
s - 32.8 feet
- side of squareSquare (geometry)In geometry, a square is a regular quadrilateral. This means that it has four equal sides and four equal angles...
with area 100 m²
Human-defined scales and structures
- 10 metres — wavelength of the highest shortwaveShortwaveShortwave radio refers to the upper MF and all of the HF portion of the radio spectrum, between 1,800–30,000 kHz. Shortwave radio received its name because the wavelengths in this band are shorter than 200 m which marked the original upper limit of the medium frequency band first used...
radio frequency, 30 MHzHertzThe hertz is the SI unit of frequency defined as the number of cycles per second of a periodic phenomenon. One of its most common uses is the description of the sine wave, particularly those used in radio and audio applications.... - 23 metres — height of the obeliskLuxor ObeliskThe Luxor Obelisk is a 23 metres high Egyptian obelisk standing at the center of the Place de la Concorde in Paris, France...
of the Place de la ConcordePlace de la ConcordeThe Place de la Concorde in area, it is the largest square in the French capital. It is located in the city's eighth arrondissement, at the eastern end of the Champs-Élysées.- History :...
, ParisParisParis is the capital and largest city in France, situated on the river Seine, in northern France, at the heart of the Île-de-France region...
, France. - 25 metres — wavelength of the broadcast radio shortwaveShortwaveShortwave radio refers to the upper MF and all of the HF portion of the radio spectrum, between 1,800–30,000 kHz. Shortwave radio received its name because the wavelengths in this band are shorter than 200 m which marked the original upper limit of the medium frequency band first used...
band at 12 MHzHertzThe hertz is the SI unit of frequency defined as the number of cycles per second of a periodic phenomenon. One of its most common uses is the description of the sine wave, particularly those used in radio and audio applications.... - 29 metres — height of the lighthouseLighthouseA lighthouse is a tower, building, or other type of structure designed to emit light from a system of lamps and lenses or, in older times, from a fire, and used as an aid to navigation for maritime pilots at sea or on inland waterways....
at SavudrijaSavudrijaSavudrija is a coastal settlement in northwestern Istria, Croatia. It has developed from a fishing village into a pleasant holiday centre. Savudrija is also the name of the surrounding area in the peninsula....
, SloveniaSloveniaSlovenia , officially the Republic of Slovenia , is a country in Central and Southeastern Europe touching the Alps and bordering the Mediterranean. Slovenia borders Italy to the west, Croatia to the south and east, Hungary to the northeast, and Austria to the north, and also has a small portion of...
. - 31 metres — wavelength of the broadcast radio shortwaveShortwaveShortwave radio refers to the upper MF and all of the HF portion of the radio spectrum, between 1,800–30,000 kHz. Shortwave radio received its name because the wavelengths in this band are shorter than 200 m which marked the original upper limit of the medium frequency band first used...
band at 9.7 MHz - 34 metres — height of the Split Point LighthouseSplit Point LighthouseSplit Point Lighthouse is a lighthouse located in Aireys Inlet, a small town on the Great Ocean Road, Victoria, Australia.-History:Originally called Eagles Nest Point, the lighthouse was originally built in 1891. It was converted to automatic operation in 1919.The original British-made first order...
in Aireys InletAireys Inlet, VictoriaAireys Inlet is a small coastal inlet and town located on the Great Ocean Road, southwest of Melbourne, Victoria, Australia. Aireys Inlet is located between Anglesea and Lorne, and joined with Fairhaven to the west. At the 2006 census, Aireys Inlet had a population of 1,148.Many surfers holiday in...
, VictoriaVictoria (Australia)Victoria is the second most populous state in Australia. Geographically the smallest mainland state, Victoria is bordered by New South Wales, South Australia, and Tasmania on Boundary Islet to the north, west and south respectively....
, AustraliaAustraliaAustralia , officially the Commonwealth of Australia, is a country in the Southern Hemisphere comprising the mainland of the Australian continent, the island of Tasmania, and numerous smaller islands in the Indian and Pacific Oceans. It is the world's sixth-largest country by total area...
. - 40 metres — average depth beneath the seabed of the Channel tunnelChannel TunnelThe Channel Tunnel is a undersea rail tunnel linking Folkestone, Kent in the United Kingdom with Coquelles, Pas-de-Calais near Calais in northern France beneath the English Channel at the Strait of Dover. At its lowest point, it is deep...
- 49 metres — wavelength of the broadcast radio shortwaveShortwaveShortwave radio refers to the upper MF and all of the HF portion of the radio spectrum, between 1,800–30,000 kHz. Shortwave radio received its name because the wavelengths in this band are shorter than 200 m which marked the original upper limit of the medium frequency band first used...
band at 6.1 MHz - 55 metres — height of the Leaning Tower of PisaLeaning Tower of PisaThe Leaning Tower of Pisa or simply the Tower of Pisa is the campanile, or freestanding bell tower, of the cathedral of the Italian city of Pisa...
- 64 metres — wingspan of a Boeing 747-400Boeing 747-400The Boeing 747-400 is a major development and the best-selling model of the Boeing 747 family of jet airliners. While retaining the four-engine wide-body layout of its predecessors, the 747-400 embodies numerous technological and structural changes to produce a more efficient airframe...
- 70 metres — length of the Bayeux TapestryBayeux TapestryThe Bayeux Tapestry is an embroidered cloth—not an actual tapestry—nearly long, which depicts the events leading up to the Norman conquest of England concerning William, Duke of Normandy and Harold, Earl of Wessex, later King of England, and culminating in the Battle of Hastings...
- 70 metres — width of a typical football field
- 88.40 metres — wingspan of the Antonov An-225Antonov An-225The Antonov An-225 Mriya is a strategic airlift cargo aircraft, designed by the Antonov Design Bureau in the 1980s. It is the world's heaviest aircraft. The design, built in order to transport the Buran orbiter, was an enlargement of the successful An-124 Ruslan...
transport aircraft - 100 metres — wavelength of the lowest shortwaveShortwaveShortwave radio refers to the upper MF and all of the HF portion of the radio spectrum, between 1,800–30,000 kHz. Shortwave radio received its name because the wavelengths in this band are shorter than 200 m which marked the original upper limit of the medium frequency band first used...
radio frequency, 3 MHz
Sports
- 11 metres — approximate width of a doubles tennis courtTennis courtA tennis court is where the game of tennis is played. It is a firm rectangular surface with a low net stretched across the center. The same surface can be used to play both doubles and singles.-Dimensions:...
- 15 metres — width of a standard FIBAInternational Basketball FederationThe International Basketball Federation, more commonly known as FIBA , from its French name Fédération Internationale de Basketball, is an association of national organizations which governs international competition in basketball...
basketball courtBasketball courtIn basketball, the basketball court is the playing surface, consisting of a rectangular floor with tiles at either end. In professional or organized basketball, especially when played indoors, it is usually made out of a wood, often maple, and highly polished... - 15.24 metres — width of an NBANational Basketball AssociationThe National Basketball Association is the pre-eminent men's professional basketball league in North America. It consists of thirty franchised member clubs, of which twenty-nine are located in the United States and one in Canada...
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 baseballBaseballBaseball is a bat-and-ball sport played between two teams of nine players each. The aim is to score runs by hitting a thrown ball with a bat and touching a series of four bases arranged at the corners of a ninety-foot diamond...
field (60 feet, 6 inches) - 20 metres — length of cricketCricketCricket is a bat-and-ball game played between two teams of 11 players on an oval-shaped field, at the centre of which is a rectangular 22-yard long pitch. One team bats, trying to score as many runs as possible while the other team bowls and fields, trying to dismiss the batsmen and thus limit the...
pitch (22 yards) - 27.43 metres — distance between bases on a baseballBaseballBaseball is a bat-and-ball sport played between two teams of nine players each. The aim is to score runs by hitting a thrown ball with a bat and touching a series of four bases arranged at the corners of a ninety-foot diamond...
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 footballAmerican footballAmerican football is a sport played between two teams of eleven with the objective of scoring points by advancing the ball into the opposing team's end zone. Known in the United States simply as football, it may also be referred to informally as gridiron football. The ball can be advanced by...
field (53⅓ yardYardA yard is a unit of length in several different systems including English units, Imperial units and United States customary units. It is equal to 3 feet or 36 inches...
s) - 59.436 metres — width of a Canadian footballCanadian footballCanadian football is a form of gridiron football played exclusively in Canada in which two teams of 12 players each compete for territorial control of a field of play long and wide attempting to advance a pointed prolate spheroid ball into the opposing team's scoring area...
field (65 yardYardA yard is a unit of length in several different systems including English units, Imperial units and United States customary units. It is equal to 3 feet or 36 inches...
s) - 70 metres — typical width of soccer field
- 91 metres — length of American footballAmerican footballAmerican football is a sport played between two teams of eleven with the objective of scoring points by advancing the ball into the opposing team's end zone. Known in the United States simply as football, it may also be referred to informally as gridiron football. The ball can be advanced by...
field (100 yardYardA yard is a unit of length in several different systems including English units, Imperial units and United States customary units. It is equal to 3 feet or 36 inches...
s, measured between the goal lines)
Nature
- 12 metres — length of a whale sharkWhale sharkThe whale shark, Rhincodon typus, is a slow-moving filter feeding shark, the largest extant fish species. The largest confirmed individual had a length of and a weight of more than , but unconfirmed claims report considerably larger whale sharks...
, largest living fishFishFish are a paraphyletic group of organisms that consist of all gill-bearing aquatic vertebrate animals that lack limbs with digits. Included in this definition are the living hagfish, lampreys, and cartilaginous and bony fish, as well as various extinct related groups... - 12 metres — wingspan of a QuetzalcoatlusQuetzalcoatlusQuetzalcoatlus was a pterodactyloid pterosaur known from the Late Cretaceous of North America , and one of the largest known flying animals of all time. It was a member of the Azhdarchidae, a family of advanced toothless pterosaurs with unusually long, stiffened necks...
, a pterosaurPterosaurPterosaurs were flying reptiles of the clade or order Pterosauria. They existed from the late Triassic to the end of the Cretaceous Period . Pterosaurs are the earliest vertebrates known to have evolved powered flight... - 13 metres — length of a giant squidGiant squidThe giant squid is a deep-ocean dwelling squid in the family Architeuthidae, represented by as many as eight species...
and colossal squidColossal SquidThe colossal squid , sometimes called the Antarctic or giant cranch squid, is believed to be the largest squid species in terms of mass. It is the only known member of the genus Mesonychoteuthis...
, the largest living invertebrateInvertebrateAn invertebrate is an animal without a backbone. The group includes 97% of all animal species – all animals except those in the chordate subphylum Vertebrata .Invertebrates form a paraphyletic group...
s - 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 tiltAxial tiltIn astronomy, axial tilt is the angle between an object's rotational axis, and a line perpendicular to its orbital plane...
- 18 metres — height of a SauroposeidonSauroposeidonSauroposeidon is a genus of sauropod dinosaur known from four neck vertebrae that were found in the southeastern portion of the US state of Oklahoma. The fossils were found in rocks dating to the Early Cretaceous, a period when the sauropods of North America had diminished in both size and...
, the tallest known dinosaurDinosaurDinosaurs are a diverse group of animals of the clade and superorder Dinosauria. They were the dominant terrestrial vertebrates for over 160 million years, from the late Triassic period until the end of the Cretaceous , when the Cretaceous–Paleogene extinction event led to the extinction of... - 20 metres — length of a LeedsichthysLeedsichthysLeedsichthys was a giant pachycormid that lived in the oceans of the Middle Jurassic period. The closest living relative of the pachycormids is the bowfin, Amia calva, but this is only very distantly related....
, the largest known fishFishFish are a paraphyletic group of organisms that consist of all gill-bearing aquatic vertebrate animals that lack limbs with digits. Included in this definition are the living hagfish, lampreys, and cartilaginous and bony fish, as well as various extinct related groups...
ever lived - 21 metres — height of High ForceHigh ForceHigh Force is a waterfall on the River Tees, near Middleton-in-Teesdale, Teesdale, County Durham, England. The waterfall is within the North Pennines Area of Outstanding Natural Beauty and European Geopark....
waterfall in England - 33 metres — longest measured length of a blue whaleBlue WhaleThe blue whale is a marine mammal belonging to the suborder of baleen whales . At in length and or more in weight, it is the largest known animal to have ever existed....
, the largest animal on earth, living or extinct, in terms of mass - 52 metres — height of Niagara FallsNiagara FallsThe Niagara Falls, located on the Niagara River draining Lake Erie into Lake Ontario, is the collective name for the Horseshoe Falls and the adjacent American Falls along with the comparatively small Bridal Veil Falls, which combined form the highest flow rate of any waterfalls in the world and has...
Astronomical
- 30 metres — diameter of , a rapidly spinning meteoroidMeteoroidA meteoroid is a sand- to boulder-sized particle of debris in the Solar System. The visible path of a meteoroid that enters Earth's atmosphere is called a meteor, or colloquially a shooting star or falling star. If a meteoroid reaches the ground and survives impact, then it is called a meteorite...
Distances longer than 100 metres