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 International System of Units (SI), equal to one billionth (short scale) of a metre (0.000000001 m) and to 1000 picometres. One nanometre can be expressed in scientific notation as 1×10−9 m, and as 1/1000000000 metres.
|1 nm in ...||... is equal to ...|
|SI units|| 1×10−9 m|
|Natural units|| 6.1877×1025 ℓP|
|imperial/US units|| 3.2808×10−9 ft|