📐 Katha to Bigha Land Converter

Convert Katha to Bigha instantly with state-specific conversion factors for West Bengal, Assam, Bihar, Uttar Pradesh, and other Indian states.
Converted Value
0 Bigha
1 Katha = 0.05 Bigha (West Bengal)

📖 What is Katha and Bigha?

Katha and Bigha are traditional land measurement units widely used in India, Nepal, and Bangladesh. Katha varies by region — from 600 to 2,880 square feet. Bigha is a larger unit used for agricultural land, property measurement, and real estate transactions. Understanding these units is essential for land buyers, sellers, and farmers.

📐 Regional Conversion Formulas

West Bengal: Bigha = Katha × 0.05 | Katha = Bigha × 20
Assam: Bigha = Katha × 0.03125 | Katha = Bigha × 32
Bihar: Bigha = Katha × 0.051 | Katha = Bigha × 19.6
Uttar Pradesh: Bigha = Katha × 0.00625 | Katha = Bigha × 160

📊 State-wise Katha to Bigha Conversion Table

AssamBiharUttar PradeshStandard Reference

💡 How to Use This Converter

  • Select your state/region from the dropdown (affects conversion factor)
  • Enter the value in Katha you want to convert
  • View instant result in Bigha
  • Click "Convert Bigha to Katha" to reverse the conversion
  • Use quick value buttons for common conversions (1, 5, 10, 20, 50, 100 Katha)
  • The formula and region name are displayed below the result

🏡 Importance of Katha and Bigha in Real Estate

  • West Bengal: Land records and property documents commonly use Katha. 1 Katha = 720 sq ft, 20 Katha = 1 Bigha
  • Assam: Katha varies - 1 Katha = 2,880 sq ft, 32 Katha = 1 Bigha
  • Bihar: 1 Katha = 1,361 sq ft approximately, 19.6 Katha = 1 Bigha
  • Uttar Pradesh: 1 Katha = 1,350 sq ft, 160 Katha = 1 Bigha (smaller Bigha compared to West Bengal)
  • Why the variation? Historical measurement systems evolved differently across regions before standardization

📝 Manual Conversion Examples

  • West Bengal: 50 Katha × 0.05 = 2.5 Bigha
  • Assam: 50 Katha × 0.03125 = 1.5625 Bigha
  • Bihar: 50 Katha × 0.051 = 2.55 Bigha
  • UP: 50 Katha × 0.00625 = 0.3125 Bigha
  • Reverse (WB): 2 Bigha × 20 = 40 Katha

📖 Conversion Formula & Regional Variations

State / Region1 Katha = ? Bigha1 Bigha = ? Katha1 Katha = ? Sq Feet
West Bengal0.05 Bigha20 Katha720 sq ft
0.03125 Bigha32 Katha2,880 sq ft
0.051 Bigha19.6 Katha1,361 sq ft
0.00625 Bigha160 Katha1,350 sq ft
0.05 Bigha20 Katha720 sq ft
AssamBihar / PatnaUttar PradeshStandard Reference
State / Region1 Katha to Bigha1 Bigha to KathaSquare Feet (1 Katha)
West Bengal0.05 Bigha20 Katha720 sq ft
0.03125 Bigha32 Katha2,880 sq ft
0.051 Bigha19.6 Katha1,361 sq ft
0.00625 Bigha160 Katha1,350 sq ft
0.05 Bigha20 Katha720 sq ft

📝 Frequently Asked Questions (FAQ)

❓ What is Katha and Bigha?
Katha and Bigha are traditional land measurement units widely used in India, Nepal, and Bangladesh. A Katha varies by region — from 600 to 2,880 sq ft. Bigha is a larger unit used for agricultural land and property. This tool converts Katha to Bigha based on regional standards.
❓ How many Bigha is 1 Katha in West Bengal?
In West Bengal, 1 Katha equals 0.05 Bigha. Conversely, 1 Bigha equals 20 Katha in West Bengal. This is the most commonly used standard for land records in Kolkata and across West Bengal.
❓ How many Bigha is 1 Katha in Assam?
In Assam, 1 Katha equals 0.03125 Bigha. Since 1 Bigha = 32 Katha in Assam. This means Katha is larger in Assam (2,880 sq ft per Katha) compared to West Bengal.
❓ Why does Katha to Bigha conversion differ by state?
Different Indian states have historically used varying measurements for land before standardization. For example, Assam uses 32 Katha = 1 Bigha, West Bengal uses 20 Katha = 1 Bigha, while Bihar uses approximately 19.6 Katha = 1 Bigha. Always use region-specific conversion for accurate land records.
❓ How to convert Katha to Bigha manually?
Multiply the Katha value by the regional conversion factor. For West Bengal: Bigha = Katha × 0.05. For Assam: Bigha = Katha × 0.03125. For Bihar: Bigha = Katha × 0.051. Example: 50 Katha in West Bengal = 50 × 0.05 = 2.5 Bigha.
❓ Is this converter free and accurate?
Yes, this is a completely free online tool. It provides accurate conversions based on official regional land measurement standards. Always double-check with local authorities for legal land documents.
💡 Note: Land measurement units may vary locally within states. This converter follows standard regional conversion factors. For legal purposes, always verify with local land records and authorities.
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