Nanometer
Unit of length
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The nanometre or nanometer is a unit of length in the International System of Units, equal to one billionth of a metre and to 1000 picometres. One nanometre can be expressed in scientific notation as 1×10⁻⁹ m, and as 1/1000000000 metres. Wikipedia
Zeros: nine zeros
1 nm in: is equal to
imperial/US units: 3.9370×10−8 in
Natural units: 6.1877×1025 ℓP; 18.897 a0
SI units: 1×10−9 m; 1×103 pm
Symbol: nm
Unit of: length