• om, or the thickness of a soap film.
  • Light waves have wave lengths from about 4,000 – 7,000 angstroms.
  • One angstrom equals one hundred-millionth of a centimeter, OR 1/254,000,000 of an inch (0.0000001mm).
  • One angstrom is equal to 10 nanometers, or 0.00000001 centimeters.
  • It takes 245-million angstroms to equal one inch, or 10-million angstroms to equal one millimeter, or 10,000 angstroms to equal one micron.