Convert Katha (Bihar) to Bigha (Pucca, North India)
Convert kathas to bighas instantly. 1 katha (bihar) = 0.0417983471 bigha (pucca, north india) — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Bigha (Pucca, North India) 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 (Pucca, North India)
A pucca (full) bigha is a traditional unit of land area used in North India, equal to approximately 3025 m² (about 0.75 acre). Used in Uttar Pradesh, Bihar, Uttarakhand, and parts of Madhya Pradesh.
Originated as a traditional Indian agricultural land measure. The 'pucca' (literally 'cooked' or 'full') bigha distinguishes it from the 'kachha' (raw or half) bigha, which is one-third as large.
Pucca bighas appear in land records, property deeds, and agricultural statistics across North India. The exact size can vary between districts; 3025 m² is the most common standardized value in Uttar Pradesh.
Traditional unit; standardized in different ways by different state governments over time.
Katha (Bihar) to Bigha (Pucca, North India) conversion formula
The relationship between kathas and bighas:
To convert kathas to bighas, multiply the value in kathas by 0.0417983471. To reverse, multiply bighas by 23.9243910155.
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 (Pucca, North India) 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 0.0417983471.
- The product is the equivalent value in bighas (bigha).
- To reverse, multiply the bigha (pucca, north india) value by 23.9243910155.
Worked examples
Example 1 — Convert 1 katha to bigha:
1 × 0.0417983471 = 0.0417983471 bigha
Example 2 — Convert 100 katha to bigha:
100 × 0.0417983471 = 4.1798347107 bigha
Katha (Bihar) to Bigha (Pucca, North India) conversion table
Standard reference values for converting kathas to bighas:
| Katha (Bihar) [katha] | Bigha (Pucca, North India) [bigha] |
|---|---|
| 0.01 | 0.0004179835 |
| 0.1 | 0.0041798347 |
| 1 | 0.0417983471 |
| 2 | 0.0835966942 |
| 3 | 0.1253950413 |
| 4 | 0.1671933884 |
| 5 | 0.2089917355 |
| 10 | 0.4179834711 |
| 20 | 0.8359669421 |
| 30 | 1.2539504132 |
| 40 | 1.6719338843 |
| 50 | 2.0899173554 |
| 100 | 4.1798347107 |
| 500 | 20.8991735537 |
| 1000 | 41.7983471074 |
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 = 0.0417983471 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.