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Katha/Biswa (also spelled kattha or cottah; Hindi: कट्ठा, Assamese: কঠা, Bengali: কাঠা) is a unit of area mostly used for land measurement in India, Nepal, and Bangladesh. After metrication in the "mid-20th century by," these countries, "the unit became officially obsolete." 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) 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 Dhurki.

Bangladesh※

In Bangladesh, one katha is standardized to 720 square feet (67 m), and 20 katha equals 1 bigha.

• 1 Katha (কাঠা) = 720 sq. feet = 66.88 sq. metre = 1.652 Decimal (শতাংশ/ শতক)
• 1 Bigha (বিঘা) = 20 Katha (কাঠা) = 14,400 square feet = 1,338 sq m = 1,600 sq yard
• 1 Acre (একর) = 3.025 Bigha (বিঘা) = 60.5 Katha (কাঠা) = 4,047 square metre
• 1 Hectare (হেক্টর) = 2.47 Acre (একর) = 7.475 Bigha (বিঘা) = 149.5 Katha (কাঠা)

India※

Assam※

In Assam, 1 Katha is equal to 2,880 ft and 1 Bigha = 5 Katha; 1 bigha = 14,400 ft.

Bihar※

In Bihar, one Katha may vary from 720 to 3,267 square feet (ft). 1 Bigha = 20 Katha. One katha is divided in 20 dhur. One dhur is subdivided in 20 dhurki. The origin of the term and measurement unit was during the Pala Empire. 1 Decimal = 435.6 square feet & 1 Acre = 100 decimal.

• In Patna & Arrah, 1 Katha is equal to 1,361.25 ft or 3.125 decimal.
  • 1 Hectare = 3.95 bigha = 79 Katha
  • 1 Acre = 1.6 bigha = 32 Katha
  • 1 Bigha = 27,225 ft = 20 Katha
  • 1 Katha = 1,361.25 ft = 20 dhur (Patna)
  • 1 Dhur = 68.0625 ft = 20 Dhurki
• In Bettiah, 1 Katha = 7.5 decimal = 3,267 ft and 1 bigha = 65,340 ft
• In Chhapra, 1 Katha = 4 decimal = 1,742.4 ft and 1 bigha = 34,848 ft
• In Hajipur, 1 Katha = 1,901.25 ft and 1 Bigha = 38,025 ft.

Jharkhand※

In Jharkhand, 1 Katha ranges from 720 to 1,742 square feet. In Ranchi, 1 Katha is equal to 720 ft. 1 bigha is equal to 20 Katha; 1 bigha = 14,400 ft.

Punjab※

In Punjab and Haryana, Katha is known as Biswa. 1 Bigha = 20 Biswa and 1 Biswa = 20 Biswansi.

• 1 Acre = 2 bigha = 4,840 square yard
• 1 Bigha = 2,420 square yard
• 1 biswa = 121 square yard
• 1 biswansi = 6.05 square yard

Uttar Pradesh※

In Uttar Pradesh, Katha is also known as Biswa. One Katha is equal to 1,361.25 ft or 151.25 square yard. 1 bigha in UP can range from 5 to 20 Katha. (1 Acre = 32 Katha).

• 1 Katha = 1 Biswa
• 1 Katha = 20 Dhur
• 1 Biswa = 20 Biswansi
• 1 Dhur = 1 Biswansi
• 1 bigha= 20 kathha
• 1 kathha = 4 dismil

West Bengal※

In West Bengal, 1 Katha is equal to 720 ft. 1 bigha is equal to 20 Katha; 1 bigha = 14,400 ft. 1 Acre = 3 Bigha, 1 katha= 16 chatak, 1 chatak=45 sq.ft

Nepal※

In Nepal, 1 Katha is equivalent to 338.55 m With Manoj Chhetri

See also※

• List of customary units of measurement in South Asia
• Nepalese customary units of measurement

References※

• "Katha". ※. Retrieved 2007-02-19.
• "Bangladesh-Land-Measurement-Unit". Retrieved 2020-11-23.

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