Convert Katha (Assam) to Bigha (Kachha, North India)
Convert kathas to bighas instantly. 1 katha (assam) = 0.267481876 bigha (kachha, north india) — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Bigha (Kachha, North India) to Katha (Assam) converter for the reverse conversion.
Units explained
Katha (Assam)
An Assam katha is a traditional unit of land area equal to approximately 269.71 m² (1/5 of an Assam bigha). It is larger than the Bengal katha despite sharing the name.
Defined as 1/5 of the Assam bigha. The same word 'katha' refers to different sizes in different regional systems.
Assam kathas appear in property records across Assam, particularly for agricultural and rural land transactions.
Traditional regional unit; relationship to bigha standardized as 1:5 in Assam.
Bigha (Kachha, North India)
A kachha (smaller) bigha is a traditional unit of land area used in North India, equal to approximately 1008 m² (about 0.25 acre). Used alongside the pucca bigha in Uttar Pradesh and Bihar.
The 'kachha' (raw or smaller) bigha is exactly one-third the size of the pucca bigha. Both units coexist in regional usage.
Kachha bighas appear in informal property descriptions and traditional land records in Uttar Pradesh and Bihar. Modern legal documents typically use hectares or pucca bighas with explicit conversion.
Traditional unit; relationship to pucca bigha standardized as 1:3.
Katha (Assam) to Bigha (Kachha, North India) conversion formula
The relationship between kathas and bighas:
To convert kathas to bighas, multiply the value in kathas by 0.267481876. To reverse, multiply bighas by 3.7385710578.
How to use this converter
Type a value into the calculator. The result in bighas updates as you type. Tap a quick value, copy the result with one click, or use the swap arrow to jump straight to the Bigha (Kachha, North India) to Katha (Assam) converter for the reverse direction.
Step-by-step: convert kathas to bighas
- Write down the value in kathas (katha).
- Multiply that value by the factor 0.267481876.
- The product is the equivalent value in bighas (bigha).
- To reverse, multiply the bigha (kachha, north india) value by 3.7385710578.
Worked examples
Example 1 — Convert 1 katha to bigha:
1 × 0.267481876 = 0.267481876 bigha
Example 2 — Convert 100 katha to bigha:
100 × 0.267481876 = 26.7481875973 bigha
Katha (Assam) to Bigha (Kachha, North India) conversion table
Standard reference values for converting kathas to bighas:
| Katha (Assam) [katha] | Bigha (Kachha, North India) [bigha] |
|---|---|
| 0.01 | 0.0026748188 |
| 0.1 | 0.0267481876 |
| 1 | 0.267481876 |
| 2 | 0.5349637519 |
| 3 | 0.8024456279 |
| 4 | 1.0699275039 |
| 5 | 1.3374093799 |
| 10 | 2.6748187597 |
| 20 | 5.3496375195 |
| 30 | 8.0244562792 |
| 40 | 10.6992750389 |
| 50 | 13.3740937987 |
| 100 | 26.7481875973 |
| 500 | 133.7409379866 |
| 1000 | 267.4818759731 |
Frequently asked questions
How many bighas is 1 katha (assam)?
How do I convert kathas to bighas?
How do I convert bighas back to kathas?
How many bighas is 100 kathas?
Popular area unit conversions
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Metric / SI (5 units)
Imperial / US Customary (3 units)
Indian Subcontinent (15 units)
Sources & references
Conversion factor (1 katha = 0.267481876 bigha) verified against the following authoritative sources:
- BIPM — The International System of Units (SI Brochure 9th ed.)
Official BIPM publication defining the seven SI base units (including the meter) and the rules for their use. The global authority on units of measurement.
- NIST — Guide to the SI
US National Institute of Standards and Technology reference covering the SI base and derived units with definitions and usage rules for US technical practice.
- NIST Special Publication 811 — Guide for the Use of the International System of Units
Detailed NIST guide covering exact conversion factors between SI and US customary units along with formatting and rounding conventions.
- NIST — Refinement of values for the yard and pound (Federal Register 1959)
The treaty (signed by US
- International Astronomical Union — System of Astronomical Constants
The IAU defines astronomical units including the AU (149597870700 m exactly) light-year and parsec used in astronomy and astrophysics.