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  2. Sri Lankan units of measurement - Wikipedia

    en.wikipedia.org/.../Sri_Lankan_units_of_measurement

    The smallest unit was known as "Paramaanuwa", which was equal to 3.306 × 10−11 m (1.302 × 10−9 in). A typical span was taken roughly equal to 22.86 cm (9 in). These small units of measurement were used in making of statues and buildings. Following are the relationships between the units used in ancient times. [6][7]

  3. Hectare - Wikipedia

    en.wikipedia.org/wiki/Hectare

    The entire yellow square is one square mile. The hectare (/ ˈhɛktɛər, - tɑːr /; SI symbol: ha) is a non-SI metric unit of area equal to a square with 100- metre sides (1 hm 2), that is, 10,000 square metres (10,000 m 2), and is primarily used in the measurement of land. There are 100 hectares in one square kilometre.

  4. Maltese units of measurement - Wikipedia

    en.wikipedia.org/wiki/Maltese_units_of_measurement

    Table of length units. The Maltese inch. Exactly 55⁄64 imperial inches. This unit is not in the 1921 act. The Maltese hand span, equivalent to the foot. Exactly 10 + 5⁄16 imperial inches. This is exactly 82 + 1⁄2 inches, or 6 ft 10 + 1⁄2 in. It corresponds to the fathom, but was used in both land and sea contexts.

  5. Cent (area) - Wikipedia

    en.wikipedia.org/wiki/Cent_(area)

    The cent is a customary unit of measurement still used in some parts of southern Indian states such as Andhra Pradesh, Telangana, Kerala, Tamil Nadu and Karnataka despite the usual use of metric units for other instances. One cent is defined as an area of ⁄100 of an acre (40.5 m 2; 435.6 sq ft). It is still used in many news reports [1] and ...

  6. Area - Wikipedia

    en.wikipedia.org/wiki/Area

    Although there are 10 mm in 1 cm, there are 100 mm 2 in 1 cm 2. Calculation of the area of a square whose length and width are 1 metre would be: 1 metre × 1 metre = 1 m 2. and so, a rectangle with different sides (say length of 3 metres and width of 2 metres) would have an area in square units that can be calculated as: 3 metres × 2 metres ...

  7. Katha (unit) - Wikipedia

    en.wikipedia.org/wiki/Katha_(unit)

    But this unit is still in use in much of Bangladesh, Northern India, Eastern India and Nepal. The measurement of katha varies significantly from place to place. In Purvanchal, 1 Katha = 1,361.25 square feet (126.464 m 2) or 151.25 square yard. One Bigha is made up of 5 to 20 Katha. Katha is divided into 20 Dhur and Dhur is subdivided into 20 ...

  8. Rai, ngan, and tarang wa - Wikipedia

    en.wikipedia.org/wiki/Rai,_ngan,_and_tarang_wa

    The tarang wa (square wa, tarang meaning 'grid') is derived from the area of a square with sides of 1 wa (the Thai fathom). One ngan ('work') is equal to 100 square wa, and one rai ('field' or 'plantation') equals 4 ngan or 1 square sen. [1] The units were standardized in square metres when Thailand (then Siam) adopted the metric system in 1923 ...

  9. Ancient Egyptian units of measurement - Wikipedia

    en.wikipedia.org/wiki/Ancient_Egyptian_units_of...

    The setat was the basic unit of land measure and may originally have varied in size across Egypt's nomes. [20] Later, it was equal to one square khet, where a khet measured 100 cubits. The setat could be divided into strips one khet long and ten cubit wide (a kha). [2] [6] [37] During the Old Kingdom: