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Bigha and katha differ between districts and even villages. For a sale deed or mutation, confirm with the local BL&LRO or land records office.
How to use
- Choose your state, since bigha and katha are different in each state.
- Type the area and choose its unit, for example 3 katha.
- Read the same area in square feet, decimal, acre and all other units below.
West Bengal land units
- 1 bigha = 20 katha = 14,400 sq ft
- 1 katha = 16 chatak = 720 sq ft
- 1 chatak = 45 sq ft
- 1 decimal (shatak) = 435.6 sq ft, and 100 decimal = 1 acre
- 1 bigha ≈ 33 decimal
Other states
In Bihar a bigha is usually 27,220 sq ft and a katha 1,361 sq ft. In Uttar Pradesh a pucca bigha is about 27,000 sq ft. In Assam a bigha is 14,400 sq ft, but a katha there is 2,880 sq ft (5 katha = 1 bigha). These values change between districts, so always confirm with the local land records office before a deal.
Renting out land or a house? Make monthly receipts with the Rent Receipt Generator.
Frequently asked questions
How many square feet in 1 katha in West Bengal?
720 square feet. 1 katha is also 16 chatak.
How many decimal in 1 bigha in West Bengal?
About 33 decimal (14,400 ÷ 435.6 = 33.06).
How many square feet in 1 decimal?
435.6 square feet. Decimal, shatak and cent are the same unit.
Why is my bigha different from this?
Local units were never fully standardised. Some districts use a different bigha or katha. Your land record or deed will show the area in decimal or acre, which are standard everywhere.