Orders of magnitude (length)
Human to astronomical scale

Orders of magnitude (length)

Section Title: Human to astronomical scale
Table Section Text: None

Factor (m)	Multiple	Value	Item

1 metre	1 metre (m)	1 m (exactly)	Since 1983, defined as length of the path travelled by light in vacuum during a time interval of 1/299 792 458 of a second.

2.72 m	Height of Robert Wadlow, tallest known human being.

8.38 m	Length of a London bus (AEC Routemaster)

101	1 decametre (dam)	33 m	Length of the longest known blue whale

52 m	Height of the Niagara Falls.

93.47 m	Height of the Statue of Liberty

102	1 hectometre (hm)	105 m	Length of a typical football field

137 m (147 m)	Height (present and original) of the Great Pyramid of Giza

300 m	Height of the Eiffel Tower, one of the famous monuments of Paris

979 m	Height of the Salto Angel, the world's highest free-falling waterfall (Venezuela)

103	1 kilometre (km)	2.3 km	Axial length of the Three Gorges Dam, the largest dam in the world[not in citation given]

3.1 km	Narrowest width of the Strait of Messina, separating Italy and Sicily

8.848 km	Height of Mount Everest, the highest mountain on Earth

104	10 km	10.9 km	Depth of the Challenger Deep in the Mariana Trench, the deepest known point on Earth's surface

27 km	Circumference of the Large Hadron Collider, as of May 2010 the largest and highest energy particle accelerator

42.195 km	Length of a marathon

105	100 km

The distance the IAU considers to be the limit to space, called the Karman line

163 km	Length of the Suez Canal, connecting the Mediterranean Sea to the Red Sea

491 km	Length of the Pyrenees, the mountain range separating Spain and France

974.6 km	Greatest diameter of the dwarf planet Ceres.

Sentence(s)

Light travels 1 metre in ​¹⁄₂₉₉ ₇₉₂ ₄₅₈ of a second.

final_sentence: Light travels 1 metre in ​¹⁄₂₉₉ ₇₉₂ ₄₅₈ of a second.