Encyclopedia > Magnitude Comparison

Article Content

Order of magnitude - length

Redirected from Magnitude Comparison

10^-35 m - Lengths smaller than this do not make any physical sense. See Planck length
10^-15 m - Size of atomic nucleus
10^-10 m - Size of atoms - See Ångström
10^-9 m = 1 nanometer (nm) - Diameter of DNA helix
10^-8 m = 10 nm
- 20 nm -- thickness of bacterial flagellum[?]
- 90 nm -- Human immunodeficiency virus (HIV)
10^-7 m = 100 nm
- 100 nm -- Maximum particle size that can fit through a surgical mask[?]
10^-6 m = 1 micrometer aka micron (μm)
- diameter of typical bacterium
- 6 μm -- anthrax spore
- 7 μm -- strand of spider web[?]
10^-5 m = 10 μm
- 10 μm -- Width of cotton fibre
- 80 μm -- width of human hair
10^-4 m = 100 μm
- 125 μm -- Dust mite
10^-3 m = 1 millimeter (mm)
- 2.54 mm -- distance between pins in old DIP[?] (dual-in-pair) electronic components
10^-2 m = 1 centimeter (cm)
- 1.5 cm -- length of an average mosquito.
- 2.54 cm -- 1 inch
10^-1 m = 10 cm
- 30 cm -- 1 foot
- 91 cm -- 1 yard
1 m
- 1.7 m -- average person's height(?)
10 m
- 20 m -- Length of a cricket pitch
- 52 m -- Height of Niagara Falls
100 m
- 448 m -- Height of the Empire State building
1,000 m = 1 kilometer (km)
- 1600 m = 1 mile
- 8850 m -- Height of Mount Everest
10,000 m = 10 km
- 11,518 m -- Mindanao deep[?]
- 35 km -- Width of the English Channel
100,000 m = 100 km
10⁶ m = 1,000 km
- 6,400 km -- The length of the Great Wall of China
10⁷ m = 10,000 km
- 12,756 km = Diameter of the earth
10⁸ m = 100,000 km
- 384,000 km -- Moon's orbital distance from Earth
10⁹ m
- 1,390,000 km -- Diameter of Sun
10¹¹ m
- 149,597,870,691 m -- Mean distance between Earth and Sun. Definition: Astronomical unit
10¹² m
- 1,429,400,000 km -- Orbital distance of Saturn from Sun
- 5,913,520,000 km -- Orbital distance of Pluto from Sun
10¹⁵ m
- 9.5 x 10¹⁵m -- 1 light year; Distance travelled by light in one year
- 4 x 10¹⁶m -- Distance to nearest star (Proxima Centauri)
10²¹ m
- 1.4 x 10²¹ m -- The Milky Way Galaxy size(?)
- 2.1 x 10²² m -- Distance to Andromeda Galaxy
10 ²⁶ m
- 10 billion light years -- Estimated distance to Quasars - the farthest observed objects in the Universe

All Wikipedia text is available under the terms of the GNU Free Documentation License

Search Encyclopedia

Search over one million articles, find something about almost anything!