Convert Katha to Killa
The katha is not a fixed size — it varies by state. Across the states below, 1 katha = 0.008264463–0.0661157 killa. Pick your state for an accurate result; it runs entirely in your browser.
Katha to Killa by state
Because the katha differs from state to state, the table below gives the value in each state we cover. The square-foot column is the standard defining value; the metre and conversion columns are computed from it.
| State / region | 1 Katha (sq ft) | 1 Katha (m²) | 1 Katha → Killa | 1 Killa → Katha |
|---|---|---|---|---|
| Bihar | 1,361.25 | 126.4643 | 0.03125 killa | 32 katha |
| West Bengal (rural) | 720 | 66.89019 | 0.01652893 killa | 60.5 katha |
| West Bengal (Kolkata) | 360 | 33.44509 | 0.008264463 killa | 121 katha |
| Assam (1 bigha = 5 katha) | 2,880 | 267.5608 | 0.0661157 killa | 15.125 katha |
| Jharkhand (Ranchi) | 720 | 66.89019 | 0.01652893 killa | 60.5 katha |
| Madhya Pradesh | 600 | 55.74182 | 0.0137741 killa | 72.6 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 killa
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.
Killa: A killa is the local name for an acre (4,840 gaj) in Punjab and Haryana — 8 kanal or 160 marla.
Frequently asked questions
- How many killa are in 1 katha?
- It depends on the state, because the katha is not a fixed size. In Bihar, 1 katha = 0.03125 killa. Across the states listed, the answer ranges from 0.008264463 to 0.0661157 killa — choose your state in the converter above for an accurate result.
- Why does the katha vary by state?
- The katha is a traditional unit recorded differently in each state's revenue system, and many states use a larger "pucca" and a smaller "kachha" version. There is no single national value, so the only correct conversion is the one for your specific state or district.
- How do I convert katha to killa?
- Pick your state above so the tool uses that state's katha value, then type the amount. For example, in Bihar, multiply katha by 0.03125 to get killa.
- Which states is the katha used in?
- This converter covers: Bihar; West Bengal (rural); West Bengal (Kolkata); Assam (1 bigha = 5 katha); Jharkhand (Ranchi); Madhya Pradesh. For legal or property transactions, always confirm the local value against your revenue records (patwari / tehsil).
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.