Convert Katha to Square Centimetre
The katha is not a fixed size — it varies by state. Across the states below, 1 katha = 334,450.9–2,675,608 square centimetre. Pick your state for an accurate result; it runs entirely in your browser.
Katha to Square Centimetre 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 → Square Centimetre | 1 Square Centimetre → Katha |
|---|---|---|---|---|
| Bihar | 1,361.25 | 126.4643 | 1,264,643 cm² | 7.9074e-7 katha |
| West Bengal (rural) | 720 | 66.89019 | 668,901.9 cm² | 0.000001494988 katha |
| West Bengal (Kolkata) | 360 | 33.44509 | 334,450.9 cm² | 0.000002989975 katha |
| Assam (1 bigha = 5 katha) | 2,880 | 267.5608 | 2,675,608 cm² | 3.7375e-7 katha |
| Jharkhand (Ranchi) | 720 | 66.89019 | 668,901.9 cm² | 0.000001494988 katha |
| Madhya Pradesh | 600 | 55.74182 | 557,418.2 cm² | 0.000001793985 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 square centimetre
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.
Square Centimetre: A square centimetre is a 1 cm × 1 cm square — 1/10,000 of a square metre.
Frequently asked questions
- How many square centimetre are in 1 katha?
- It depends on the state, because the katha is not a fixed size. In Bihar, 1 katha = 1,264,643 square centimetre. Across the states listed, the answer ranges from 334,450.9 to 2,675,608 square centimetre — 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 square centimetre?
- Pick your state above so the tool uses that state's katha value, then type the amount. For example, in Bihar, multiply katha by 1,264,643 to get square centimetre.
- 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.