Are the katha and dhur the same in every state?

Both are traditional units whose absolute size changes by state, so the land area they represent is not the same everywhere. However, within the system that uses both units the ratio between them stays the same — only the absolute land size changes. For legal or property use, confirm against your local revenue records.

How do I convert katha to dhur?

type the amount in the converter — it uses Bihar's recorded values for both units. For example, in Bihar, multiply katha by 20 to get dhur.

Which states does this katha-to-dhur converter cover?

Both katha and dhur are recorded together in: Bihar. Other states record only one of the two units, so a reliable conversion between them isn't possible there without a local figure.

Convert Katha to Dhur

1 katha = 20 dhur. In the Bihar land system, 1 katha = 20 dhur (and 1 dhur = 20 dhurki), so the ratio is fixed even though the absolute size of a katha or dhur differs elsewhere. Both units are state-variable in absolute size, but their ratio is fixed within this system. Runs entirely in your browser.

1 Katha = 20 Dhur (Bihar)

State / region

Katha (katha)

Dhur (dhur)

⇅ Reverse (Dhur → Katha)

Katha to Dhur by state

Both katha and dhur are recorded in each state's revenue system, so the only correct conversion is the one for a state where both are defined. The square-foot columns are the standard defining values; the metre and conversion columns are computed from them.

State / region	1 Katha (sq ft)	1 Dhur (sq ft)	1 Katha → Dhur	1 Dhur → Katha
Bihar	1,361.25	68.0625	20 dhur	0.05 katha

Indian land units vary by state and even by district, and local custom can differ from the standard value. For any legal, property or financial purpose, confirm the value against your local revenue records (patwari / tehsil) before relying on it.

About katha and dhur

Katha: A katha (also spelt kattha) is the common land unit across eastern India. In most states 1 bigha = 20 katha, but in Assam 1 bigha = 5 katha, so the katha’s size varies widely by state.

Dhur: A dhur is a small land unit used mainly in Bihar and eastern Uttar Pradesh, where 1 katha = 20 dhur and 1 dhur = 20 dhurki.

Frequently asked questions

How many dhur are in 1 katha?: 1 katha = 20 dhur. In the Bihar land system, 1 katha = 20 dhur (and 1 dhur = 20 dhurki), so the ratio is fixed even though the absolute size of a katha or dhur differs elsewhere.
Are the katha and dhur the same in every state?: Both are traditional units whose absolute size changes by state, so the land area they represent is not the same everywhere. However, within the system that uses both units the ratio between them stays the same — only the absolute land size changes. For legal or property use, confirm against your local revenue records.
How do I convert katha to dhur?: type the amount in the converter — it uses Bihar's recorded values for both units. For example, in Bihar, multiply katha by 20 to get dhur.
Which states does this katha-to-dhur converter cover?: Both katha and dhur are recorded together in: Bihar. Other states record only one of the two units, so a reliable conversion between them isn't possible there without a local figure.

Related area conversions

See all area unit conversions →

Full state-by-state size reference (bigha, biswa, katha, dhur) →

Sources

Per-state values are cross-checked against multiple references, including Wikipedia: Bigha, Wikipedia: Katha, Wikipedia: Measurement of land in Punjab and state land-record references. Where sources genuinely disagree we show the documented variants rather than a single figure.