There is a very big difference between the units used for land measurement in India and that of the western world. Acres, Bighas, Kattha, Biswa etc. are the most common land measurement units in India.
India comprises of many regions. Therefore, these land measurement units will keep varying from region to region. Some of the key land measurement units that are used in land transactions are given below:
8 Kanals = 1 acre
Acre is also called uilla or ghumaon
20 marlas = 1 kanal
160 marlas = 1 acre
1 marla = 9 suare karams
1 karam = 5.5 feet
1 acre = 4 bigas+ 16 biswas (20th part)
1 acre = 4 and 4/5 bigas
1 acre = 96 biswas.
1 Hectare = 2.5 Acres
1 Acre = 40 Gunthas
1 Guntha = 121 s.yards = 101.17 s.metres
1 Guntha = 33 ft. x 33 ft. = 1089 s.feet
1 Acre = 4840 s.yards
1 Acre = 4067.23 s.metres
1 Acre = 43,560 s.feet
1 s. yard = 0.8361 s.metre
1 s. metre = 1.190 s.yards
1 s. yard = 9 s. feet
1 s. metre = 10.76 s.feet
Katha = 80 square yards
Nalli = 240 square yards
Bhigha = 1600 square yards
Acre = 4800 square yards