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.
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 / Region
1 Katha to Bigha
1 Bigha to Katha
Square Feet (1 Katha)
West Bengal
0.05 Bigha
20 Katha
720 sq ft
Assam
0.03125 Bigha
32 Katha
2,880 sq ft
Bihar / Patna
0.051 Bigha
19.6 Katha
1,361 sq ft
Uttar Pradesh
0.00625 Bigha
160 Katha
1,350 sq ft
Standard Reference
0.05 Bigha
20 Katha
720 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.