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1 Equivalence with other units of area  














Square inch






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This article does not cite any sources. Please help improve this articlebyadding citations to reliable sources. Unsourced material may be challenged and removed.
Find sources: "Square inch" – news · newspapers · books · scholar · JSTOR
(December 2009) (Learn how and when to remove this message)

square inch

Unit system

Imperial, United States customary units

Unit of

area

Symbol

in2, sq in

Conversions

in2 in ...

... is equal to ...

   Imperial/US

   
  • 1/144 sq ft
  • 1/1296 sq yd
  •    SI units

       
    • 6.4516 cm2
  • 6.4516×10−4 m2
  • Asquare inch (plural: square inches) is a unitofarea, equal to the area of a square with sides of one inch. The following symbols are used to denote square inches:

    The square inch is a common unit of measurement in the United States and the United Kingdom. A common unit of pressure, pound per square inch (psi) is derived from this unit of area.

    Equivalence with other units of area[edit]

    1 square inch (assuming an international inch) is equal to: (the overbars indicate repeating decimals)

    Comparison with US customary system

    Length

  • Thousandth of an inch
  • Barleycorn
  • Inch
  • Hand
  • Link
  • Foot
  • Yard
  • Fathom
  • Rod
  • Chain
  • Gunter's chain
  • Furlong
  • Cable
  • Mile
  • Nautical mile
  • League
  • Area

  • Square foot
  • Square yard
  • Perch
  • Rood
  • Acre
  • Square mile
  • Volume

    Derived

  • Cubic foot
  • Hoppus
  • Cubic yard
  • Cubic mile
  • Tmcft
  • Cooking

  • Tablespoon
  • Fluid ounce
  • Cup
  • Pint
  • Quart
  • Trade gallon
  • Gallon
  • Other

  • Minim
  • Gill
  • Fluid Scruple
  • Fluid Drachm
  • Peck
  • Bushel
  • Barrel
  • Stuck
  • Hogshead
  • Speed

    Mass

  • Drachm
  • Ounce
  • Pound (mass)
  • Stone
  • Quarter
  • Slug
  • Long hundred
  • Hundredweight
  • Ship load
  • Ton
  • Pressure

  • Pounds per square inch
  • Other units and measures

  • Degree
  • Fahrenheit
  • Rankine
  • Foot-candle
  • Foot-pound
  • Foot-poundal
  • Horsepower
  • Horsepower-hour
  • Kenning
  • Pound (force)
  • Pound-foot
  • Poundal
  • Span
  • Spinning count
  • Related systems

  • English units
  • English Engineering units
  • Foot–pound–second system (FPS)
  • Twenty-foot equivalent unit
  • Comparison with imperial unit system

    Length

  • Inch
  • Hand
  • Link
  • Foot
  • Yard
  • Rod
  • Chain
  • Furlong
  • Mile
  • Area

  • Square foot
  • Square yard
  • Acre
  • Square mile
  • Volume

    Derived

  • Cubic foot
  • Cubic yard
  • Cubic mile
  • Cooking

  • Tablespoon
  • Fluid ounce
  • Cup
  • Pint
  • Quart
  • Gallon
  • Wood

  • Cord
  • Face cord
  • Other

  • Gill
  • Peck
  • Bushel
  • Barrel
  • Acre-foot
  • Speed

  • Miles per hour
  • Mass

  • Dram
  • Ounce
  • Pound
  • Hundredweight
  • Ton
  • Force

  • Pound-force
  • Kip
  • Pressure

  • Pounds per square inch
  • Kilopounds per square inch
  • Other units and measures

  • British thermal unit
  • Degree (angle)
  • Fahrenheit
  • Foot-candle
  • Foot-lambert
  • Foot-pound (energy)
  • Horsepower
  • Perm
  • Pound-foot (torque)
  • Spinning count
  • Ton of refrigeration
  • Related systems

  • Avoirdupois system
  • Body jewelry sizes
  • English Engineering Units
  • Foot–pound–second system of units

  • Retrieved from "https://en.wikipedia.org/w/index.php?title=Square_inch&oldid=1213946323"

    Categories: 
    Units of area
    Imperial units
    Customary units of measurement in the United States
    Hidden categories: 
    Articles lacking sources from December 2009
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