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1 decametre

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

Distances shorter than 10 m

Conversions

10 m is equal to:

• 1 decametre
• 1,000 centimetres
• 10,000 millimetres
• 32.8 feet
• side of square with area 100 m²

Wavelengths

• 10 m — wavelength of the highest shortwave radio frequency, 30 MHz
• 100 m — wavelength of the lowest shortwave radio frequency, 3 MHz

Sports

• 11 m — approximate width of a doubles tennis court
• 18 m — distance between the pitcher's rubber and home plate on a baseball field
• 20 m — length of cricket pitch (22 yards)
• 70 m — width of soccer field
• 91 m — length of American football field (100 yards, measured between the goal lines)

Human-built structures

• 23 m — height of the obelisk of the Place de la Concorde, Paris, France.
• 29 m — height of the lighthouse at Savudrija, Slovenia.
• 34 m — height of the Split Point Lighthouse in Aireys Inlet, Victoria, Australia.
• 40 m — average depth beneath the seabed of the Channel tunnel
• 55 m — height of the Leaning Tower of Pisa
• 60 m — height of Pyramid of Djoser
• 64 m — wingspan of a Boeing 747-400
• 70 m — length of the Bayeux Tapestry

Nature

• 10 m — average length of human digestive tract
• 12 m — length of a whale shark, largest living fish
• 12 m — wingspan of a Quetzalcoatlus, a pterosaur
• 13 m — length of a giant squid and colossal squid, the largest living invertebrates
• 18 m — height of a Sauroposeidon, the tallest known dinosaur
• 20 m — length of a Leedsichthys, the largest known fish ever lived
• 21 m — height of High Force waterfall in England
• 30 m — length of a blue whale, the largest animal on earth, extinct or living
• 40 m — length of a Supersaurus, the longest known dinosaur

Astronomical

• 30 m — diameter of 1998 KY₂₆, a rapidly spinning meteoroid

Distances longer than 100 m

See also

• Orders of magnitude (length)
• Decametre