Hectometre

The hectometre (International spelling as used by the International Bureau of Weights and Measures; SI symbol: hm) or hectometer (American spelling) is an uncommonly used unit of length in the metric system, equal to one hundred metres. It derives from the Greek word "ekato", meaning "hundred". A regulation football or soccer field is approximately 1 hectometre in length.

For area the square hectometer (hm²) is a common unit. It is more commonly known by the name of hectare (ha), meaning 100 ares (100 a). The are is a measurement of area the size of 1 decametre by 1 decametre, which is 10 metres by 10 metres. Hence 100 ares equals an area with dimensions 100 m by 100 m — 1 hectometre by 1 hectometre, the square hectometre — equalling 10,000 square metres (10,000 m²)

For volumes the cubic hectometre (hm³) is also used, 100 m by 100 m by 100 m equalling 1,000,000 cubic metres (1,000,000 m³).

Conversion of units, for comparison with other units

To compare different orders of magnitude this page lists lengths between 100 metres and 1000 metres (1 kilometre).

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1 hectometre

To compare different orders of magnitude this page lists lengths between 100 metres and 1000 metres (1 kilometre).

Conversions

100 metres (sometimes termed a hectometre) is equal to:

328 feet

one side of a 1 hectare square

a fifth of a modern li, a Chinese unit of measurement

the approximate distance travelled by light in 300 nanoseconds

Human-defined scales and structures

100 metres – wavelength of the highest mediumwave radio frequency, 3 MHz

100 metres – spacing of location marker posts on British motorways

138.8 metres – height of the Great Pyramid of Giza (Pyramid of Cheops)

139 metres – height of the world's tallest roller coaster, Kingda Ka

187 metres– shortest wavelength of the broadcast radio AM band, 1600 kHz

202 metres – length of the Széchenyi Chain Bridge connecting Buda and Pest

320.75 metres – height of the Eiffel Tower(including antenna)

328 metres – height of Auckland's Sky Tower, the tallest free-standing structure in the Southern Hemisphere

341 metres – height of the world's tallest bridge, the Millau Viaduct

This page contains text from Wikipedia, the Free Encyclopedia - https://wn.com/1_hectometre

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Hectometre

1 hectometre

Conversions

Human-defined scales and structures

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