Other units in the category of Area include Acre (ac, acre), Are (a), Barn (b), Barrel (US, Liq.) Per Foot (bbl (US, liq.)/ft), Barrel (US, Liq.) Per Inch (bbl (US, liq.)/in), Barrel (US, Petrol) Per Foot (bbl (US, petrol)/ft), Barrel (US, Petrol) Per Inch (bbl (US, petrol)/in), Centare, Circular Inch (cin), Circular Mil (cmil), Hectare (ha), Morgen (Prussian), Morgen (South Africa), Quarter Section, Rood (UK), Section (square Statute Mile) (sq.mi, mi² (stat.)), Shed, Square Centimeter (cm²), Square Chain (engineer'S) (sq. ch. (engineer's)), Square Chain (Gunter'S) (sq. ch. (Gunter's)), Square Decameter (dam²), Square Decimeter (dm²), Square Exameter (Em²), Square Femtometer (fm²), Square Fermi (f²), Square Foot (ft²), Square Gigameter (Gm²), Square Hectometer (hm²), Square Inch (in², sq. in), Square Kilometer (km²), Square Megameter (Mm²), Square Meter (m²), Square Micrometer (µm²), Square Mil (thou) (mil²), Square Mile (geographical) (sq. mi. (geogr.)), Square Mile (int. Naut.) (sq. mi. (int. naut.)), Square Mile (int.) (sq. mi. (int.)), Square Millimeter (mm²), Square Nanometer (nm²), Square Perch (rd²), Square Petameter (Pm²), Square Picometer (pm²), Square Pole (rd²), Square Rod (rd²), Square Terameter (Tm²), Square Yard (yd², sq. yd), Square Yoctometer (ym²), Square Yottameter (Ym²), Square Zeptometer (zm²), Square Zettameter (Zm²), Township (US), Vergee (Jersey), and Vergees (Guernsey).