Convert Katha (Bengal) to Bigha (Pucca, North India)
Convert kathas to bighas instantly. 1 katha (bengal) = 0.0221123967 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 (Bengal) converter for the reverse conversion.
Units explained
Katha (Bengal)
A Bengal katha is a traditional unit of land area equal to approximately 66.89 m² (1/20 of a Bengal bigha or 720 square feet). Used in West Bengal and Bangladesh.
Defined as 1/20 of the Bengal bigha during colonial standardization.
Bengal kathas are widely used in residential property descriptions in Kolkata, Dhaka, and other Bengali-speaking regions. Property advertisements often list area in kathas with chatak (1/16 katha) subdivisions.
Standardized in colonial Bengal.
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 (Bengal) to Bigha (Pucca, North India) conversion formula
The relationship between kathas and bighas:
To convert kathas to bighas, multiply the value in kathas by 0.0221123967. To reverse, multiply bighas by 45.2235012707.
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 (Bengal) 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 0.0221123967.
- The product is the equivalent value in bighas (bigha).
- To reverse, multiply the bigha (pucca, north india) value by 45.2235012707.
Worked examples
Example 1 — Convert 1 katha to bigha:
1 × 0.0221123967 = 0.0221123967 bigha
Example 2 — Convert 100 katha to bigha:
100 × 0.0221123967 = 2.2112396694 bigha
Katha (Bengal) to Bigha (Pucca, North India) conversion table
Standard reference values for converting kathas to bighas:
| Katha (Bengal) [katha] | Bigha (Pucca, North India) [bigha] |
|---|---|
| 0.01 | 0.000221124 |
| 0.1 | 0.0022112397 |
| 1 | 0.0221123967 |
| 2 | 0.0442247934 |
| 3 | 0.0663371901 |
| 4 | 0.0884495868 |
| 5 | 0.1105619835 |
| 10 | 0.2211239669 |
| 20 | 0.4422479339 |
| 30 | 0.6633719008 |
| 40 | 0.8844958678 |
| 50 | 1.1056198347 |
| 100 | 2.2112396694 |
| 500 | 11.0561983471 |
| 1000 | 22.1123966942 |
Frequently asked questions
How many bighas is 1 katha (bengal)?
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
Convert Katha (Bengal) to other area units
Show all Katha (Bengal) conversions
Metric / SI (5 units)
Imperial / US Customary (3 units)
Indian Subcontinent (15 units)
Sources & references
Conversion factor (1 katha = 0.0221123967 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 Hydrographic Organization — Resolution on the Nautical Mile
International authority that standardised the nautical mile at exactly 1852 m in 1929 — the value adopted worldwide for sea and air navigation.