1 hectometre
From Wikipedia, the free encyclopedia
To help compare different orders of magnitude this page lists lengths between 100 m and 1 km.
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[edit] Conversions
100 m is equal to:
- 328 feet
- one side of a 1 hectare square
- a fifth of a modern li, a Chinese unit of measurement
- 1 hectometre
[edit] Wavelengths
- 100 m — wavelength of the highest mediumwave radio frequency, 3 MHz
- 187 m — shortest wavelength of the broadcast radio AM band, 1600 kHz
- 555 m — longest wavelength of the broadcast radio AM band, 540 kHz
- 1000 m — wavelength of the lowest mediumwave radio frequency, 300 kHz
[edit] Sports
- 100 m — the distance a very fast human being can run in about 10 seconds
- 100 m — length of a Canadian football field
- 91.5 m - 137 m — length of a soccer field
[edit] Human-built structures
- 137 m — height of the Great Pyramid of Giza
- 202 m — length of the Széchenyi Chain Bridge connecting Buda and Pest
- 244 m — height of the City Gate building in Ramat-Gan, Israel
- 300 m — height of the Eiffel Tower
- 328 m — height of Auckland's Sky Tower, the tallest free-standing structure in the Southern Hemisphere
- 341 m — height of the world's tallest bridge, the Millau Viaduct
- 390 m — height of the Empire State Building
- 443 m — height of the Sears Tower, the tallest skyscraper in the United States
- 509 m — height of the Taipei 101 building, the tallest skyscraper in the world
- 553 m — height of the CN Tower, the tallest tower and freestanding structure in the world
- 630 m — height of the KVLY-TV mast, second tallest structure in the world
- 646 m — height of the Warsaw radio mast, the world's tallest structure until its collapse in 1991
- ~818 m — projected height of Burj Dubai, currently world's tallest structure
[edit] Nature
- 115.5 m — height of the world's tallest tree in 2007, the Hyperion sequoia
- 310 m — maximum depth of Lake Geneva
- 340 m — distance sound travels in air at sea level in one second; see speed of sound
[edit] Astronomical
- 540 m — length of 25143 Itokawa, the smallest asteroid visited by a spacecraft
