Convert Katha (Bengal) to Ground (Chennai)
Convert kathas to grounds instantly. 1 katha (bengal) = 0.2999995515 ground (chennai) — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Ground (Chennai) 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.
Ground (Chennai)
A ground is a unit of land area used primarily in Chennai (Tamil Nadu), equal to exactly 2400 square feet, or approximately 222.967 m².
Standardized at 2400 sq ft in the Madras (Chennai) area during the colonial era. The name 'ground' is a direct English translation used in local property documentation.
Grounds are the primary unit for residential property in Chennai and surrounding Tamil Nadu districts. Property advertisements in Chennai commonly use grounds alongside square feet (24 grounds = 1 acre).
Standardized in colonial Madras Presidency.
Katha (Bengal) to Ground (Chennai) conversion formula
The relationship between kathas and grounds:
To convert kathas to grounds, multiply the value in kathas by 0.2999995515. To reverse, multiply grounds by 3.3333383166.
How to use this converter
Type a value into the calculator. The result in grounds updates as you type. Tap a quick value, copy the result with one click, or use the swap arrow to jump straight to the Ground (Chennai) to Katha (Bengal) converter for the reverse direction.
Step-by-step: convert kathas to grounds
- Write down the value in kathas (katha).
- Multiply that value by the factor 0.2999995515.
- The product is the equivalent value in grounds ().
- To reverse, multiply the ground (chennai) value by 3.3333383166.
Worked examples
Example 1 — Convert 1 katha to :
1 × 0.2999995515 = 0.2999995515
Example 2 — Convert 100 katha to :
100 × 0.2999995515 = 29.9999551503
Katha (Bengal) to Ground (Chennai) conversion table
Standard reference values for converting kathas to grounds:
| Katha (Bengal) [katha] | Ground (Chennai) [] |
|---|---|
| 0.01 | 0.0029999955 |
| 0.1 | 0.0299999552 |
| 1 | 0.2999995515 |
| 2 | 0.599999103 |
| 3 | 0.8999986545 |
| 4 | 1.199998206 |
| 5 | 1.4999977575 |
| 10 | 2.999995515 |
| 20 | 5.9999910301 |
| 30 | 8.9999865451 |
| 40 | 11.9999820601 |
| 50 | 14.9999775752 |
| 100 | 29.9999551503 |
| 500 | 149.9997757516 |
| 1000 | 299.9995515031 |
Frequently asked questions
How many grounds is 1 katha (bengal)?
How do I convert kathas to grounds?
How do I convert grounds back to kathas?
How many grounds is 100 kathas?
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Metric / SI (5 units)
Imperial / US Customary (3 units)
Indian Subcontinent (15 units)
Sources & references
Conversion factor (1 katha = 0.2999995515 ) 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.