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square mile sqmi Q232291 sq mi 1.0 sq mi (2.6 km2)
  • sqmi km2
acre acre Q81292 (none) 1.0 acre (0.40 ha)
square yard sqyd Q1550511 sq yd 1.0 sq yd (0.84 m2)
square foot sqft
(ft2, sqfoot, foot2)
Q857027 sq ft long code "sqfoot (foot2)" outputs square foot (and never feet) 1.0 sq ft (0.093 m2)
  • sqft m2
square inch sqin Q1063786 sq in 1.0 sq in (6.5 cm2)
  • sqin cm2
  • sqin mm2