Why Land Measurements Vary Across India
A comprehensive guide to regional land units
India is a land of extraordinary diversity — not just in language, culture, and cuisine, but also in the way its citizens measure land. Unlike most nations that have fully adopted the metric system for land transactions, India continues to use a mosaic of traditional, regional units that date back centuries. Understanding why these units differ from state to state is essential for farmers, homebuyers, real estate investors, and legal professionals operating across state lines.
The variation in land measurement units has deep historical roots. During the Mughal era and later the British colonial period, local administrative systems (zamindari, ryotwari, and mahalwari) governed land revenue collection. Each region developed its own unit based on local agricultural productivity, soil type, and revenue requirements. A "Bigha" in Uttar Pradesh is not the same as a "Bigha" in West Bengal — the former is 27,000 sq ft while the latter is only 14,400 sq ft. Even further south, Tamil Nadu uses "Ground" and "Cent" — units completely absent in north India.
Post-independence, while the Government of India encouraged metric adoption, local customs proved remarkably stubborn. In rural areas, generations of farmers have bought, sold, and inherited land using units like Dhur, Kattha, Kanal, Marla, and Nali. Changing these units would require updating millions of paper land records — a task that remains incomplete. Furthermore, state governments have different Revenue Acts and land measurement standards, making a single national unit impractical in everyday practice.
Looking ahead, digital land registries under the DILRMP (Digital India Land Records Modernisation Programme) are gradually introducing metric measurements in official records. However, for the near future, traditional units will remain culturally dominant. BhumiConverter supports all 20 major Indian states so that every citizen — farmer, student, or buyer — has access to accurate, instant conversions.
Regional Land Units at a Glance
| State | Main Unit | Sq Ft | Sub-Units |
|---|---|---|---|
| Uttar Pradesh | Pucca Bigha | 27,000 | 20 Biswa |
| Bihar / Jharkhand | Bigha | 27,220 | 20 Kattha · 400 Dhur |
| West Bengal / Assam | Bigha | 14,400 | 20 Katha |
| Rajasthan | Pucca Bigha | 27,225 | Also Kaccha (17,424) |
| MP / Chhattisgarh | Bigha | 12,000 | 20 Biswa |
| Punjab / Haryana | Kanal | 5,445 | 20 Marla |
| Gujarat | Bigha/Vighha | 17,424 | 16 Guntha |
| Maha / Karnataka | Guntha | 1,089 | 40 Guntha = 1 Acre |
| Tamil Nadu | Ground / Cent | 2,400 / 435.6 | Kuli (48 sq ft) |
| AP / Telangana / Kerala | Cent | 435.6 | 100 Cent = 1 Acre |
| Himachal Pradesh | Bigha | 8,712 | 20 Biswa · 400 Biswansi |
| Uttarakhand | Nali / Bigha | 2,160 / 6,804 | Kumaon / Garhwal |