Convert Katha (Bengal) to Square Centimeter
Convert kathas to square centimeters instantly. 1 katha (bengal) = 668900 square centimeter — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Square Centimeter 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 Centimeter
A square centimeter is a metric unit of area equal to 10⁻⁴ m² (1 cm × 1 cm). It is widely used in everyday measurement, lab work, and small-area applications.
Derived by squaring the centimeter (1/100 of a meter). The centi- prefix comes from the Latin 'centum' (hundred).
Square centimeters express the cross-sectional area of pipes and cables, the surface area of small everyday objects, biological tissue samples, and many engineering quantities. The SI unit for medical/pharmaceutical dose-per-area is often expressed in cm².
Centimeter has been part of the metric system since 1795.
Katha (Bengal) to Square Centimeter conversion formula
The relationship between kathas and square centimeters:
To convert kathas to square centimeters, multiply the value in kathas by 668900. To reverse, multiply square centimeters by 1.494992e-6.
How to use this converter
Type a value into the calculator. The result in square centimeters 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 Centimeter to Katha (Bengal) converter for the reverse direction.
Step-by-step: convert kathas to square centimeters
- Write down the value in kathas (katha).
- Multiply that value by the factor 668900.
- The product is the equivalent value in square centimeters (cm²).
- To reverse, multiply the square centimeter value by 1.494992e-6.
Worked examples
Example 1 — Convert 1 katha to cm²:
1 × 668900 = 668900 cm²
Example 2 — Convert 100 katha to cm²:
100 × 668900 = 6.689e+7 cm²
Katha (Bengal) to Square Centimeter conversion table
Standard reference values for converting kathas to square centimeters:
| Katha (Bengal) [katha] | Square Centimeter [cm²] |
|---|---|
| 0.01 | 6689 |
| 0.1 | 66890 |
| 1 | 668900 |
| 2 | 1337800 |
| 3 | 2006700 |
| 4 | 2675600 |
| 5 | 3344500 |
| 10 | 6689000 |
| 20 | 1.3378e+7 |
| 30 | 2.0067e+7 |
| 40 | 2.6756e+7 |
| 50 | 3.3445e+7 |
| 100 | 6.689e+7 |
| 500 | 3.3445e+8 |
| 1000 | 6.689e+8 |
Frequently asked questions
How many square centimeters is 1 katha (bengal)?
How do I convert kathas to square centimeters?
How do I convert square centimeters back to kathas?
How many square centimeters 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 = 668900 cm²) 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.