Orders of magnitude (length) (original) (raw)
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
- [...]
- 10-18 m = 1 attometre (am)
- size of a quark
- 10-15 m = 1 femtometre (fm)
- size of a proton
- 10-14 m
- scale of the atomic nucleus
- 10-13 m
- 10-12 m = 1 picometre (pm)
- wavelength of gamma rays
- 10-11 m
- 10-10 m = 1 Ångström
- size of smallest atoms
- wavelength of X rays
- 10-9 m = 1 nanometre (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
- size of chromosomes
- 100 nm -- maximum particle size that can fit through a surgical mask
- wavelengths of visible light
- 10-6 m = 1 micrometre aka micron (μm)
- diameter of typical bacterium
- diameter of typical cell nucleus
- 6 μm -- anthrax spore
- 7 μm -- strand of spider web
- 10-5 m = 10 μm
- 10-4 m = 100 μm
- 125 μm -- dust mite
- 10-3 m = 1 millimetre (mm)
- 2.54 mm -- distance between pins in old DIP (dual-inline-pins) electronic components
- 10-2 m = 1 centimetre (cm)
- 10-1 m = 10 cm
- 1 m
- 10 m
- 20 m -- length of a cricket pitch
- 52 m -- height of Niagara Falls
- 100 m
- 147 m -- original height of the Great Pyramid of Giza
- 300 m -- height of the Eiffel tower
- 448 m -- height of the Empire State building
- 647 m -- height of the Warszawa Radio Mast, tallest man-made structure, collapsed in 1991
- 1 000 m = 1 kilometre (km)
- 1609 m = 1 international mile
- 1805 m = 1 nautical mile
- 8850 m -- height of the highest mountain, 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
- 3 480 km -- diameter of the Moon
- 6 400 km -- length of the Great Wall of China
- 107 m = 10 000 km
- 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
- 150 million km -- 1 astronomical unit (AU); mean distance between Earth and Sun.
- 1012 m = 1 billion km
- 1013 m = 10 billion km
- 1014 m = 100 billion km
- 1015 m = 1 trillion km
- 9.5 trillion km = 1 light year -- distance travelled by light in one year
- 1016 m
- 3.26 light years -- 1 parsec
- 4.2 light years -- distance to nearest star (Proxima Centauri)
- 1017 m
- 1018 m
- 1019 m
- 1020 m
- 100 000 light years -- diameter of galactic disk of Milky Way Galaxy
- 1021 m
- 2.3 million light years -- distance to Andromeda Galaxy
- 1022 m
- 1023 m
- 1024 m
- distance to Virgo Cluster of galaxies
- 1025 m
- 1026 m
- 10 billion light years -- estimated distance to quasars - the farthest observed objects in the Universe
- 13.7 billion light years -- distance the cosmic background radiation has traveled since the Big bang
See also: SI, SI prefixes, SI base units, units, length, orders of magnitude