<P> A kattha (also spelled katha or cottah) is a unit of area mostly used for measuring land parts of in India, Nepal, and Bangladesh . A kattha is roughly one twentieth part of a bigha . </P> <P> This unit is still in use in much of Bangladesh and India, but the size varies significantly from place to place . In the Indian state of Bihar, one katha may vary from 750 ft2 to 2000 ft2 . Also this can be 32 by 30 feet in length and breadth respectively . </P> <P> In North Bihar and Patna, 1 Kattha is generally equal to 1361 ft2. 20 Kathas equals 1 Bigha . One katha is further subdivided in 20 dhur . One dhur is further subdivided in 20 dhurki. 1 hectare = 2.4712 acre or 4 bighas approx; 1 acre = 1.6 bighas or 32 kathas; 1 bigha = 20 kathas; 1 katha = 20 dhoor; 1 dhoor = 6.25 or 6.5 haath; 1 katha = 1.65 decimal . </P>

1 katha is equal to how much square feet
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