Convert Square Kilometer to Katha (Bihar)
Convert square kilometers to kathas instantly. 1 square kilometer = 7908.8895919013 katha (bihar) — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Katha (Bihar) to Square Kilometer converter for the reverse conversion.
Units explained
Square Kilometer
A square kilometer is a metric unit of area equal to 1,000,000 m² (one million square meters), or 100 hectares. It is used for measuring large land areas, regional geography, and country-scale statistics.
Derived by squaring the kilometer (1000 m). The kilo- prefix comes from the Greek 'chilioi' (thousand).
Square kilometers express the area of cities, districts, lakes, forests, and entire countries. India's total area is approximately 3,287,263 km². 1 km² equals 100 hectares or about 247.105 acres.
Kilometer has been part of the metric system since 1795.
Katha (Bihar)
A Bihar katha is a traditional unit of land area equal to approximately 126.44 m² (1/20 of a pucca bigha in Bihar).
Defined as 1/20 of the Bihar pucca bigha. Like other regional kathas, the actual size varies with the local bigha.
Bihar kathas appear in land records and property transactions across Bihar.
Traditional regional unit.
Square Kilometer to Katha (Bihar) conversion formula
The relationship between square kilometers and kathas:
To convert square kilometers to kathas, multiply the value in square kilometers by 7908.8895919013. To reverse, multiply kathas by 0.00012644.
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 (Bihar) to Square Kilometer converter for the reverse direction.
Step-by-step: convert square kilometers to kathas
- Write down the value in square kilometers (km²).
- Multiply that value by the factor 7908.8895919013.
- The product is the equivalent value in kathas (katha).
- To reverse, multiply the katha (bihar) value by 0.00012644.
Worked examples
Example 1 — Convert 1 km² to katha:
1 × 7908.8895919013 = 7908.8895919013 katha
Example 2 — Convert 100 km² to katha:
100 × 7908.8895919013 = 790888.9591901298 katha
Square Kilometer to Katha (Bihar) conversion table
Standard reference values for converting square kilometers to kathas:
| Square Kilometer [km²] | Katha (Bihar) [katha] |
|---|---|
| 0.01 | 79.088895919 |
| 0.1 | 790.8889591901 |
| 1 | 7908.8895919013 |
| 2 | 15817.7791838026 |
| 3 | 23726.6687757039 |
| 4 | 31635.5583676052 |
| 5 | 39544.4479595065 |
| 10 | 79088.895919013 |
| 20 | 158177.791838026 |
| 30 | 237266.6877570389 |
| 40 | 316355.5836760519 |
| 50 | 395444.4795950649 |
| 100 | 790888.9591901298 |
| 500 | 3954444.7959506488 |
| 1000 | 7908889.5919012977 |
Frequently asked questions
How many kathas is 1 square kilometer?
How do I convert square kilometers to kathas?
How do I convert kathas back to square kilometers?
How many kathas is 100 square kilometers?
Popular area unit conversions
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Metric / SI (15 units)
Imperial / US Customary (15 units)
US Survey (5 units)
Indian Subcontinent (16 units)
Other Regional (10 units)
Scientific / Physics (5 units)
Sources & references
Conversion factor (1 km² = 7908.8895919013 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.