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Orders of magnitude (length)This is a list of orders of magnitude for length. Other lists for time, area, volume, mass and dimensionless numbers are also available, and an overview is at order of magnitude.
- 10-35 m
- 1.6×10-35 is approximately one Planck length; lengths smaller than this do not make any physical sense, according to current theories of physics
- [...]
- 10-18 m = 1 attometre (am)
- 10-15 m = 1 femtometre (fm)
- 10-14 m
- 10-13 m
- 10-12 m = 1 picometre (pm)
- 10-11 m
- 10-10 m = 1 Ångström
- wavelength of X rays
- 100 pm (0.1 nm) -- covalent radius of sulfur atom
- 126 pm (0.126 nm) -- covalent radius of ruthenium atom
- 135 pm (0.135 nm) -- covalent radius of technetium atom
- 153 pm (0.153 nm) -- covalent radius of silver atom
- 154 pm (0.154 nm) -- length of a typical covalent bond (C-C).
- 155 pm (0.155 nm) -- covalent radius of zirconium atom
- 175 pm (0.175 nm) -- covalent radius of thulium atom
- 225 pm (0.225 nm) -- covalent radius of cesium atom
- 500 pm (0.50 nm) -- width of protein α helix
- 10-9 m = 1 nanometre (nm)
- diameter of DNA helix: 2nm
- 10-8 m = 10 nm
- 10-7 m = 100 nm
- size of chromosomes
- 100 nm -- maximum particle size that can fit through a surgical mask
- 120 nm -- Maximum particle size that can fit through a ULPA filter[1]
- 280 nm -- near ultraviolet wavelength
- 300 nm -- Maximum particle size that can fit through a HEPA filter
- 380-430 nm -- wavelength of violet light -- see color and optical spectrum
- 430-450 nm -- wavelength of indigo light
- 450-500 nm -- wavelength of blue light
- 500-520 nm -- wavelength of cyan light
- 520-565 nm -- wavelength of green light
- 565-590 nm -- wavelength of yellow light
- 590-625 nm -- wavelength of orange light
- 625-740 nm -- wavelength of red light
- 10-6 m = 1 micrometre aka micron (μm)
- 10-5 m = 10 μm
- approximately 10 µm: size of a fog, mist or cloud water droplet
- 10 μm -- width of cotton fibre
- 10.6 µm -- wavelength of light emitted by a carbon dioxide laser
- 12 µm -- Width of acrylic fibre
- 13 µm -- Width of nylon fibre
- 14 µm -- Width of polyester fibre
- 15 µm -- Width of silk fibre
- 17 µm -- Dust mite excreta ¹
- 20 µm -- Width of wool fibre
- 25.4 µm -- 1/1000 inch, commonly referred to as 1 mil
- 50 µm -- typical length of Euglena gracilis, a flagellate protist
- 80 µm -- average width of human hair (ranges from 18 to 180 µm)
- 10-4 m = 100 μm
- 10-3 m = 1 millimetre (mm)
- 2.54 mm -- distance between pins in old DIP (dual-inline-pins) electronic components
- 5 mm -- length of average red ant
- 7.62 mm -- common military ammunition size
- 10-2 m = 1 centimetre (cm)
- 1.5 cm -- length of a large mosquito.
- 2.54 cm -- 1 inch
- 3.1 cm -- 1 attoparsec (10-18 parsecs)
- 4.267 cm -- diameter of a golfball
- 10-1 m = 10 cm
- 1 m
- 1 m -- wavelength of the lowest UHF and highest VHF radio frequency, 300 MHz
- 1.7 m (5 feet 7 inches) -- average person's height
- 1.435m -- Standard gauge of railway track
- 2.77 - 3.44 m -- wavelength of the broadcast radio FM band 108 - 87 MHz
- 3.048 m -- (10 feet) height of the basket in basketball
- 5.5 m -- height of tallest animal, the giraffe
- 10 m
- 100 m
- 100 m -- wavelength of the lowest shortwave radio frequency and highest medium wave radio frequency, 3 MHz
- 105 m -- length of a soccer field
- 109.73 m -- total length of a American football field (120 yards, including the end zones)
- 137 m -- height of the Great Pyramid of Giza
- 147 m -- original height of the Great Pyramid of Giza
- 168 m -- height of the Bungsberg, highest point in Schleswig-Holstein, Germany
- 187 m -- shortest wavelength of the broadcast radio AM band, 1600 kHz
- 193 m -- the approximate length of New Jersey State Highway 59
- 244 m -- height of the City Gate building in Ramat-Gan, Israel
- 300 m -- height of the Eiffel Tower
- 340 m -- distance sound travels in air in one second; see speed of sound
- 400-500m -- approximate heights of the world's tallest skyscrapers of the past 70 years.
- 541 m -- (1,776 ft) -- height of the planned Freedom Tower at the World Trade Center site
- 553.33 m -- height of the CN Tower, the world's tallest free-standing land structure
- 555 m -- longest wavelength of the broadcast radio AM band, 540 kHz
- 647 m -- height of the Warszawa radio mast, formerly the tallest man-made structure, collapsed in 1991
- 1 000 m = 1 kilometre (km)
- 10 000 m = 10 km
- 100 000 m = 100 km
- 106 m = 1 000 km
- 107 m = 10 000 km
- 12 756 km = diameter of the Earth
- 40 000 km = circumference of the Earth
- 108 m = 100 000 km
- 384 000 km -- Moon's orbital distance from Earth
- 109 m = 1 million km
- 1 390 000 km -- diameter of the Sun
- 1010 m = 10 million km
- 1011 m = 100 million km
- 1012 m = 1 billion km
- 1.4 billion km -- orbital distance of Saturn from Sun
- 6 billion km -- orbital distance of Pluto from Sun
- 1013 m = 10 billion km
- 1014 m = 100 billion km
- 1015 m = 1 trillion km
- 1016 m
- 1017 m
- 1018 m
- 1019 m
- 1020 m
- 1021 m
- 1022 m
- 1023 m
- 1024 m
- 200 million light years or 2 Ym or 60 megaparsecs -- diameter of the Local Supercluster
- 500 million light years or 5 Ym or 150 megaparsecs -- length of Great Wall, the largest observed superstructure.
- 1025 m
- 1026 m
See also: SI, SI prefixes, SI base units, units, length, orders of magnitude
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