Encyclopedia > Orders of magnitude (length)

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Orders of magnitude (length)

Orders of magnitude (length)

Powers of 10³ meters	equal to...	example	orders of magnitude
1 attometer	39 x 10^-18 inches	--	1 am, 10 am, 100 am
1 femtometer	39 x 10^-15 inches	--	1 fm, 10 fm, 100 fm
1 picometer	39 x 10^-12 inches	1 Ångström = 100 pm	1 pm, 10 pm, 100 pm
1 nanometer	39 x 10^-9 inches	wavelengths of visible light	1 nm, 10 nm, 100 nm
1 micrometer	39 x 10^-6 inches	--	1 µm, 10 µm, 100 µm
1 millimeter	0.039 inches	inch = 25.4 mm foot = 305 mm yard = 914 mm	1 mm, 1 cm, 10 cm
1 meter	39 inches	--	1 m, 10 m, 100 m
1 kilometer	0.62 miles	mile = 1.6 km	1 km, 10 km, 100 km
1 000 km	621 miles	3 480 km - diameter of the Moon 13 000 km - diameter of Earth 40 000 km - circumference of Earth	10⁶ m, 10⁷ m, 10⁸ m
1 million km	621 thousand miles	astronomical unit = 150 million km	10⁹ m, 10¹⁰ m, 10¹¹ m
10⁹ km	621 million miles	--	10¹² m, 10¹³ m, 10¹⁴ m
10¹² km	621 x 10⁹ miles	light year = 9.5 x 10¹⁵ m parsec = 3.1 x 10¹⁶ m	10¹⁵ m , 10¹⁶ m , 10¹⁷ m
10¹⁵ km	621 x 10¹² miles	--	10¹⁸ m , 10¹⁹ m , 10²⁰ m
10¹⁸ km	621 x 10¹⁵ miles	--	10²¹ m , 10²² m , 10²³ m
10²¹ km	621 x 10¹⁸ miles	--	10²⁴ m , 10²⁵ m , 10²⁶ m

The pages linked in the right-hand column contain lists of lengths that are of the same order of magnitude (power of ten). Rows in the table represent increasing powers of a thousand (3 orders of magnitude).

Orders of magnitude of other quantities: time, area, volume, mass

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