Standard Acre Definition and Mathematical Basis
An acre is an internationally recognized land measurement unit used in official Indian land registration, revenue records, and agricultural census data.
Understanding standard metric and imperial equivalents ensures farmers can accurately verify property deeds (Khasra, Khatauni, 7/12 extract) against local traditional bigha measurements.
- Square Feet: 1 Acre = 43,560 square feet
- Square Meters: 1 Acre = 4,046.86 square meters
- Square Yards (Gaj): 1 Acre = 4,840 square yards
- Hectare Equivalent: 1 Hectare = 2.471 Acres (or 1 Acre = 0.4047 Hectare)
- Gunta / Cent: 1 Acre = 40 Guntas (Maharashtra/Karnataka) = 100 Cents (Southern India)
State-Wise Bigha Conversion Breakdown
Because traditional land surveying systems were established during Mughal and princely state administrations, bigha definitions differ by state and district.
States often distinguish between 'Pucca Bigha' (standardized revenue unit) and 'Kaccha Bigha' (informal village measurement).
- Uttar Pradesh: 1 Acre = approx. 1.6 Pucca Bigha (or approx. 4.8 to 5 Kaccha Bigha in western UP)
- Madhya Pradesh: 1 Acre = approx. 1.75 to 3.0 Bigha depending on district revenue circles
- Punjab and Haryana: 1 Acre = 1.6 Bigha (where 1 Acre = 4 Bigha of smaller traditional scale, or 8 Kanals / 160 Marlas)
- Rajasthan: 1 Pucca Bigha = approx. 1.6 Bigha per acre, while Kaccha Bigha can range from 3 to 4 Bigha per acre
- Bihar and West Bengal: 1 Acre = approx. 3.025 Bigha (where 1 Bigha = 14,400 square feet)
- Himachal Pradesh & Uttarakhand: 1 Acre = approx. 5 Bigha in mountain revenue circles
Land Verification on Official State Revenue Portals
Before finalizing farmland sales, lease agreements, or bank mortgage loans, farmers should verify registered land area on their state's digital land records portal.
Digital records list land holdings in metric hectares or standard revenue bigha, eliminating confusion caused by ambiguous local customary terms.
- Digital Record Portals: Check Bhulekh (UP, MP, Bihar), AnyROR (Gujarat), Mahabhulekh (Maharashtra), and Jamabandi (Punjab/Haryana)
- Mutation Register: Ensure mutation records reflect exact decimal hectare values corresponding to legal survey bounds
- Bank Loan Appraisal: Commercial banks calculate Kisan Credit Card (KCC) limits strictly against verified hectare or standard acre holdings
Official source
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Department of Land Resources - Ministry of Rural Development ↗Related on KisanPe
Common questions
How many bigha are there in 1 acre in Uttar Pradesh?
In Uttar Pradesh, 1 acre equals approximately 1.6 Pucca Bigha (or about 4.8 to 5 Kaccha Bigha in some western districts).
How many square feet are in 1 acre of land?
1 acre is officially standardized at exactly 43,560 square feet (or 4,840 square yards).
Why does the size of a bigha change from state to state?
The bigha is a traditional historical land unit that was defined independently by regional kingdoms and colonial revenue settlements without national standardization.
General guidance, not personal advice. For your farm, ask your local Krishi Vigyan Kendra or agriculture officer.
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