section_path: Units/Conversions/Non-metric units
section_name: Non-metric units
paragraph_text: Non-metric units
  
  In non-metric units, the conversion between two square units is the square of the conversion between the corresponding length units.
  
  the relationship between square feet and square inches is
  
  where 144 = 12 = 12 × 12. Similarly:
  
  In addition, conversion factors include: