Convert Katha (Bihar) to Bigha (West Bengal)
Convert kathas to bighas instantly. 1 katha (bihar) = 0.0945133802 bigha (west bengal) — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Bigha (West Bengal) to Katha (Bihar) converter for the reverse conversion.
Units explained
Katha (Bihar)
A Bihar katha is a traditional unit of land area equal to approximately 126.44 m² (1/20 of a pucca bigha in Bihar).
Defined as 1/20 of the Bihar pucca bigha. Like other regional kathas, the actual size varies with the local bigha.
Bihar kathas appear in land records and property transactions across Bihar.
Traditional regional unit.
Bigha (West Bengal)
A Bengal bigha is a traditional unit of land area used in West Bengal and Bangladesh, equal to approximately 1337.8 m² (about 0.33 acre).
Originated in pre-colonial Bengal land measurement. The Bengal bigha became standardized under British administration as 14,400 square feet, which equals 1337.8 m².
Bengal bighas are the standard unit in rural property transactions in West Bengal, Tripura, and Bangladesh. Land records use bigha alongside katha (1/20 bigha) and chatak (1/16 katha).
Standardized in colonial Bengal; widely used in modern West Bengal and Bangladesh.
Katha (Bihar) to Bigha (West Bengal) conversion formula
The relationship between kathas and bighas:
To convert kathas to bighas, multiply the value in kathas by 0.0945133802. To reverse, multiply bighas by 10.580512496.
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 (West Bengal) to Katha (Bihar) 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 0.0945133802.
- The product is the equivalent value in bighas (bigha).
- To reverse, multiply the bigha (west bengal) value by 10.580512496.
Worked examples
Example 1 — Convert 1 katha to bigha:
1 × 0.0945133802 = 0.0945133802 bigha
Example 2 — Convert 100 katha to bigha:
100 × 0.0945133802 = 9.4513380176 bigha
Katha (Bihar) to Bigha (West Bengal) conversion table
Standard reference values for converting kathas to bighas:
| Katha (Bihar) [katha] | Bigha (West Bengal) [bigha] |
|---|---|
| 0.01 | 0.0009451338 |
| 0.1 | 0.009451338 |
| 1 | 0.0945133802 |
| 2 | 0.1890267604 |
| 3 | 0.2835401405 |
| 4 | 0.3780535207 |
| 5 | 0.4725669009 |
| 10 | 0.9451338018 |
| 20 | 1.8902676035 |
| 30 | 2.8354014053 |
| 40 | 3.7805352071 |
| 50 | 4.7256690088 |
| 100 | 9.4513380176 |
| 500 | 47.2566900882 |
| 1000 | 94.5133801764 |
Frequently asked questions
How many bighas is 1 katha (bihar)?
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 = 0.0945133802 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.