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equivalent to one square hectometre 1.0 ha (2.5 acres) Imperial & US customary: square mile: sqmi Q232291: sq mi 1.0 sq mi (2.6 km 2) sqmi km2; acre: acre Q81292 (none) 1.0 acre (0.40 ha) square yard: sqyd Q1550511: sq yd 1.0 sq yd (0.84 m 2) square foot: sqft (ft2, sqfoot, foot2) Q857027: sq ft long code "sqfoot (foot2)" outputs square foot ...
Comparison of 1 square yard with some Imperial and metric units of area. The square yard (Northern India: gaj, Pakistan: gaz) is an imperial unit and U.S. customary unit of area. It is in widespread use in most of the English-speaking world, particularly the United States, United Kingdom, Canada, Pakistan and India.
≡ 1 ch × 10 ch = 4840 sq yd: ≡ 4 046.856 4224 m 2: acre (US survey) ac ≡ 10 sq ch = 4840 sq yd, also 43 560 sq ft: ≈ 4 046.873 m 2 [17] are: a ≡ 100 m 2: ≡ 100 m 2: barn: b ≡ 10 −28 m 2: ≡ 10 −28 m 2: barony: ≡ 4000 ac ≡ 1.618 742 568 96 × 10 7 m 2: board: bd ≡ 1 in × 1 ft: ≡ 7.741 92 × 10 −3 m 2: boiler ...
Comparison of 1 square foot with some Imperial and metric units of area. The square foot (pl. square feet; abbreviated sq ft, sf, or ft 2; also denoted by ' 2 and ⏍) is an imperial unit and U.S. customary unit (non-SI, non-metric) of area, used mainly in the United States, Canada, the United Kingdom, Bangladesh, India, Nepal, Pakistan, Ghana, Liberia, Malaysia, Myanmar, Singapore and Hong Kong.
Square miles should not be confused with miles square, a square region with each side having a length of the value given. For example, a region which is 20 miles square (20 miles × 20 miles) has an area of 400 sq mi; a rectangle of measuring 10 miles × 40 miles also has an area of 400 sq mi, but is not 20 miles square.
The value of the United Kingdom primary standard of the yard was determined in terms of the meter by the National Physical Laboratory in 1964 to be 0.914 3969 m, [27] implying a pre-1959 UK foot of 0.304 7990 m. The UK adopted the international yard for all purposes through the Weights and Measures Act 1963, effective January 1, 1964. [28]
Hong Kong law Chapter 123F, Building (Planning) Regulations, Regulation 23 sect 3 sub-paragraph (a) defined that: Subject to sub-paragraph (b), for the purposes of regulations 19, 20, 21 and 22, the gross floor area of a building shall be the area contained within the external walls of the building measured at each floor level (including any floor below the level of the ground), together with ...
Metric units are units based on the metre, gram or second and decimal (power of ten) multiples or sub-multiples of these. According to Schadow and McDonald, [1] metric units, in general, are those units "defined 'in the spirit' of the metric system, that emerged in late 18th century France and was rapidly adopted by scientists and engineers.