Bigha to Katha
Convert bigha to katha using the correct value for your state — bigha is not the same size everywhere in India.
A traditional unit whose size changes from state to state — always check the local value. · 1 bigha = 20 biswa
ℹ️ Pukka bigha (≈27,000 sq ft) shown; 1 bigha = 20 biswa. Western UP and kaccha bigha are much smaller (~6,800–13,600 sq ft) — confirm locally.
Please verify: bigha, katha and biswa vary by region and even by district, and can differ between pukka and kaccha measures. These are common values for a quick estimate — always confirm against your official land records (patwari / revenue department) before any deal or registration.
Land is often bought in bigha and sold or built on in katha, especially in Bihar, Bengal and Jharkhand. One bigha is 20 katha in most of the east and 5 katha in Assam.
Bigha to Katha — state by state
Because a bigha is a traditional unit, its size changes across India. Here is 1 bigha in katha for the states that use it:
| State | 1 Bigha = Katha |
|---|---|
| Assam | 5 |
| Bihar | 20 |
| Jharkhand | 20 |
| West Bengal | 20 |
These are common values — confirm the exact local figure with your revenue office before a deal.