Convert Bigha (Rajasthan) to Katha (Bihar)
Convert bighas to kathas instantly. 1 bigha (rajasthan) = 12.802435938 katha (bihar) — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Katha (Bihar) to Bigha (Rajasthan) converter for the reverse conversion.
Units explained
Bigha (Rajasthan)
A Rajasthan bigha is a traditional unit of land area used across Rajasthan, equal to approximately 1618.74 m². It is functionally identical to the Gujarat bigha.
Shares its definition with the Gujarat bigha, reflecting historical trade and administrative ties.
Rajasthan bighas are used in property records and agricultural transactions across the state, particularly in rural areas.
Traditional regional unit.
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.
Bigha (Rajasthan) to Katha (Bihar) conversion formula
The relationship between bighas and kathas:
To convert bighas to kathas, multiply the value in bighas by 12.802435938. To reverse, multiply kathas by 0.078110135.
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 Bigha (Rajasthan) 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 12.802435938.
- The product is the equivalent value in kathas (katha).
- To reverse, multiply the katha (bihar) value by 0.078110135.
Worked examples
Example 1 — Convert 1 bigha to katha:
1 × 12.802435938 = 12.802435938 katha
Example 2 — Convert 100 bigha to katha:
100 × 12.802435938 = 1280.2435937994 katha
Real-world example — Maritime exclusion zone
A 200-bigha (rajasthan) 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 × 12.802435938 = 2560.4871875989 katha
Real-world example — Coastal cruise distances
A 10-bigha (rajasthan) 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 × 12.802435938 = 128.0243593799 katha
Real-world example — Road-sign distances across systems
A 100-bigha (rajasthan) road sign converts cleanly into kathas — exactly the conversion drivers planning trips abroad rely on when reading road signs in a different measurement system.
100 bigha × 12.802435938 = 1280.2435937994 katha
Bigha (Rajasthan) to Katha (Bihar) conversion table
Standard reference values for converting bighas to kathas:
| Bigha (Rajasthan) [bigha] | Katha (Bihar) [katha] |
|---|---|
| 0.01 | 0.1280243594 |
| 0.1 | 1.2802435938 |
| 1 | 12.802435938 |
| 2 | 25.604871876 |
| 3 | 38.407307814 |
| 4 | 51.209743752 |
| 5 | 64.01217969 |
| 10 | 128.0243593799 |
| 20 | 256.0487187599 |
| 30 | 384.0730781398 |
| 40 | 512.0974375198 |
| 50 | 640.1217968997 |
| 100 | 1280.2435937994 |
| 500 | 6401.2179689972 |
| 1000 | 12802.4359379943 |
Frequently asked questions
How many kathas is 1 bigha (rajasthan)?
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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Metric / SI (5 units)
Imperial / US Customary (3 units)
Indian Subcontinent (15 units)
Sources & references
Conversion factor (1 bigha = 12.802435938 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 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.