Convert Katha (Bengal) to Square Foot
Convert kathas to square feet instantly. 1 katha (bengal) = 719.9979677737 square foot — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Square Foot 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.
Square Foot
A square foot is an imperial unit of area equal to exactly 0.09290304 m². It is the dominant unit for real estate area measurement in the United States and is widely used in India for residential property listings.
Derived by squaring the foot. The foot was standardized to exactly 0.3048 m via the 1959 International Yard and Pound Agreement.
Square feet are the standard unit for US real estate floor area, HVAC capacity ratings (BTU per ft²), commercial leasing, and construction. In India, square feet is the dominant unit for residential property advertisements alongside traditional regional units.
Foot dates to ancient civilizations; modern exact value standardized in 1959.
Katha (Bengal) to Square Foot conversion formula
The relationship between kathas and square feet:
To convert kathas to square feet, multiply the value in kathas by 719.9979677737. To reverse, multiply square feet by 0.0013888928.
How to use this converter
Type a value into the calculator. The result in square feet updates as you type. Tap a quick value, copy the result with one click, or use the swap arrow to jump straight to the Square Foot to Katha (Bengal) converter for the reverse direction.
Step-by-step: convert kathas to square feet
- Write down the value in kathas (katha).
- Multiply that value by the factor 719.9979677737.
- The product is the equivalent value in square feet (ft²).
- To reverse, multiply the square foot value by 0.0013888928.
Worked examples
Example 1 — Convert 1 katha to ft²:
1 × 719.9979677737 = 719.9979677737 ft²
Example 2 — Convert 100 katha to ft²:
100 × 719.9979677737 = 71999.7967773713 ft²
Katha (Bengal) to Square Foot conversion table
Standard reference values for converting kathas to square feet:
| Katha (Bengal) [katha] | Square Foot [ft²] |
|---|---|
| 0.01 | 7.1999796777 |
| 0.1 | 71.9997967774 |
| 1 | 719.9979677737 |
| 2 | 1439.9959355474 |
| 3 | 2159.9939033211 |
| 4 | 2879.9918710949 |
| 5 | 3599.9898388686 |
| 10 | 7199.9796777371 |
| 20 | 14399.9593554743 |
| 30 | 21599.9390332114 |
| 40 | 28799.9187109485 |
| 50 | 35999.8983886857 |
| 100 | 71999.7967773713 |
| 500 | 359998.9838868566 |
| 1000 | 719997.9677737133 |
Frequently asked questions
How many square feet is 1 katha (bengal)?
How do I convert kathas to square feet?
How do I convert square feet back to kathas?
How many square feet 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 = 719.9979677737 ft²) 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.