Convert nanometer to foot (US survey) Online | Free Length Converter

Nanometer

A nanometer (nm) is an incredibly small unit of length in the metric system. It equals one-billionth of a meter (0.000000001 meters). Nanometers are used to measure things at the atomic and molecular scale, like the size of viruses, DNA strands, or the width of a few atoms. The symbol for nanometer is "nm". This unit is essential in fields like nanotechnology, physics, and chemistry, where scientists work with materials and particles too tiny to see with regular microscopes. Understanding measurements in nanometers helps researchers develop new materials, medicines, and electronic devices.

Foot (US Survey)

The US survey foot is a unit of length used historically in the United States for land surveying and mapping. It is defined as exactly 1200/3937 meters, which is approximately 0.3048006096 meters. This makes it very slightly longer than the international foot, which is exactly 0.3048 meters.

The US survey foot was established to maintain consistency with earlier land surveys and legal descriptions in the U.S. It was used extensively in the Public Land Survey System and other cadastral surveys.

Key points:

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  1 US survey foot = 1200/3937 meters ≈ 0.3048006096 meters

  
  
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  Slightly longer than the international foot by about 0.0006 millimeters

  
  
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  Used primarily in land surveying and legal documents

  
  
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  As of recent years, the US has been phasing out the US survey foot in favor of the international foot for standardization.

  
  

Though nearly identical to the international foot, the US survey foot remains important for understanding older land records and measurements.