NM, nm, and variations may refer to:

Businesses and organizations


Science and technology


Units of measure

  • Nanometer (nm), an SI unit of length, equal to 10−9 m (a thousand-millionth of a meter)
  • Nanomolar (nM), in chemistry, one thousand-millionth molar
  • Nautical mile (NM or nmi), a unit of length used for maritime and aviation purposes
  • Newton metre (Nm, may also be written as N·m), a unit of torque
  • Normal cubic metre (Nm3), a unit of volume (normal referring to standard temperature and pressure)
  • Normalizovaný muštomer (°NM), a scale of wine must density
  • Number metric, a measure of linear density of fibers in textiles

Other uses in science and technology

  • nm (Unix), a computer program used as an aid for debugging
  • Noise margin, the amount by which a signal exceeds the minimum amount for proper operation

Other uses

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