Length

• 1 m =

  3.28ft
• 1 mi =

  1 statute mile = 5280ft
• 1 nautical mile =

  6080ft
• 1 yard =

  3ft
• 1 span =

  9in
• 1 palm =

  3in
• 1 foot =

  3 hands
• 1 fathom =

  6ft
• 1 rope =

  20ft
• 1 chain =

  66ft
• 1 furlong =

  660ft
• 1 light year =

  300,000km