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Convert Nanometre [nm] to...

Nanometre
Unit system metric
Unit of length
Symbol nm
Unit conversions
1 nm in ... ... is equal to ...
SI units 10 Å
1×10-6 mm
Imperial/US unit(s) 3.9370×10-8 in

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The nanometre (International spelling as used by the International Bureau of Weights and Measures; SI symbol: nm) or nanometer (American spelling) is a unit of length in the metric system, equal to one billionth of a metre (0.000000001 m).

The name combines the SI prefix nano- with the parent unit name metre. It can be written in scientific notation as 1×10-9 m, in engineering notation as 1 E-9 m, and is simply 1/1000000000 metres. When used as a prefix for something other than a unit of measure (as in "nanoscience"), nano refers to nanotechnology, or phenomena typically occurring on a scale of nanometresale.

The nanometre is often used to express dimensions on an atomic scale: the diameter of a helium atom, for example, is about 0.1 nm, and that of a ribosome is about 20 nm. The nanometre is also commonly used to specify the wavelength of electromagnetic radiation near the visible part of the spectrum: visible light ranges from around 400 to 700 nm. The ångström, which is equal to 0.1 nm, was formerly used for these purposes, but is still used in other fields.

This article uses material from the Wikipedia article "Nanometre", which is released under the Creative Commons Attribution-Share-Alike License 3.0.