Convert Bigha (Pucca, North India) to Katha (Bengal)
Convert bighas to kathas instantly. 1 bigha (pucca, north india) = 45.2235012707 katha (bengal) — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Katha (Bengal) to Bigha (Pucca, North India) converter for the reverse conversion.
Units explained
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)
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) to Katha (Bengal) conversion formula
The relationship between bighas and kathas:
To convert bighas to kathas, multiply the value in bighas by 45.2235012707. To reverse, multiply kathas by 0.0221123967.
How to use this converter
Type a value into the calculator. The result in kathas updates as you type. Tap a quick value, copy the result with one click, or use the swap arrow to jump straight to the Katha (Bengal) to Bigha (Pucca, North India) converter for the reverse direction.
Step-by-step: convert bighas to kathas
- Write down the value in bighas (bigha).
- Multiply that value by the factor 45.2235012707.
- The product is the equivalent value in kathas (katha).
- To reverse, multiply the katha (bengal) value by 0.0221123967.
Worked examples
Example 1 — Convert 1 bigha to katha:
1 × 45.2235012707 = 45.2235012707 katha
Example 2 — Convert 100 bigha to katha:
100 × 45.2235012707 = 4522.3501270743 katha
Real-world example — Endurance race distances
A 50-bigha (pucca, north india) cycling or running race converts to a recognizable distance in kathas. Endurance athletes coming from a different measurement system use this conversion to compare training plans across regions.
50 bigha × 45.2235012707 = 2261.1750635372 katha
Real-world example — Maritime exclusion zone
A 200-bigha (pucca, north india) exclusion zone (a common maritime boundary) converts to a different value in kathas that's useful when describing the same zone in everyday land-distance units.
200 bigha × 45.2235012707 = 9044.7002541486 katha
Real-world example — Coastal cruise distances
A 10-bigha (pucca, north india) coastal sailing route converts to a different value in kathas — useful for cruise operators who switch between maritime, aviation, and road-distance units depending on the leg of the trip.
10 bigha × 45.2235012707 = 452.2350127074 katha
Bigha (Pucca, North India) to Katha (Bengal) conversion table
Standard reference values for converting bighas to kathas:
| Bigha (Pucca, North India) [bigha] | Katha (Bengal) [katha] |
|---|---|
| 0.01 | 0.4522350127 |
| 0.1 | 4.5223501271 |
| 1 | 45.2235012707 |
| 2 | 90.4470025415 |
| 3 | 135.6705038122 |
| 4 | 180.894005083 |
| 5 | 226.1175063537 |
| 10 | 452.2350127074 |
| 20 | 904.4700254149 |
| 30 | 1356.7050381223 |
| 40 | 1808.9400508297 |
| 50 | 2261.1750635372 |
| 100 | 4522.3501270743 |
| 500 | 22611.7506353715 |
| 1000 | 45223.501270743 |
Frequently asked questions
How many kathas is 1 bigha (pucca, north india)?
How do I convert bighas to kathas?
How do I convert kathas back to bighas?
How many kathas is 100 bighas?
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Sources & references
Conversion factor (1 bigha = 45.2235012707 katha) 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.