Magnification

• Magnification


  The ratio of the image size to the actual size
• Magnification equation

  • image size = actual size x magnification
• Units for size

  • meter (m)
  • millimeter (mm)
  • micrometer (μm)
  • nanometer (nm)
• Converting units

  1. Multiply by 1000 to convert from larger to smaller unit

  2. Divide by 1000 to convert from smaller to larger unit
• Using a scale bar to calculate actual size

  1. Measure the image size on the scale bar

  2. Divide the image size by the magnification to get the actual size