Complete Guide to Land Measurement Units: Shatak, Decimal, Katha, Bigha & Acre
Master land measurement units online across Bangladesh and India. Learn exact conversion formulas to square feet, decimals, acres, plus Assam and Telugu regional units.
Online land measurement converter for Shatak, Decimal, Bigha, Katha, Acre, Square Feet & Square Meters — Bangladesh & West Bengal surveys.
Introduction to Regional Land Measurement Units
In South Asian countries such as Bangladesh, India, Nepal, and Pakistan, land measurement units are still used alongside Square Feet, Square Meters, and Acres. Understanding local units—such as Shatak (Decimal), Katha, Bigha, Kani, Marla, Assam Lessa, and Telugu Cent / Ankanam / Kuncham—is crucial for landowners, real estate buyers, civil engineers, and legal surveyors.
Because local survey standards vary across states and divisions, converting measurement of land online requires both standard ratios and regional legal codes. Start with ConverterDock’s online land measurement converter, plus dedicated pages for land measurement in Assam and land measurement in Telugu.
1. Shatak (Decimal / Shotok) Standard Conversions
The Shatak (also written as *Shotok* or *Decimal*) is the primary legal land unit in Bangladesh and West Bengal. For spellings (sotok, satok, sft), the linear-feet mix-up, and a dedicated conversion table, see Shotok to Square Feet (SFT).
Quick Formula to Convert Shatak to Square Feet
*Example:* If a deed states 5.5 Shatak of land:
2. Katha (Kotta / Cottah) Ratios & Regional Variations
While 1 Shatak is uniform, 1 Katha varies by region:
A. Standard Bangladesh & West Bengal Standard
B. Chittagong Division (Kani System)
In Chittagong, land is traditionally measured using Kani and Ganda:
C. Bihar & Uttar Pradesh (Biswa & Katha)
3. Bigha Standard & Regional Comparison Table
| Region / System | 1 Bigha in Sq Ft | 1 Bigha in Katha | 1 Bigha in Shatak/Dec | 1 Acre in Bigha |
|---|---|---|---|---|
| Standard BD / West Bengal | 14,400 Sq Ft | 20 Katha | 33.06 Shatak | 3.025 Bigha |
| Assam, India | 14,400 Sq Ft | 5 Katha = 100 Lessa | 33.06 Decimals | 3.025 Bigha |
| Punjab & Haryana (Kanal) | 9,075 Sq Ft | 4 Kanal | 20.83 Decimals | 4.80 Bigha |
| Rajasthan (Pukka Bigha) | 27,225 Sq Ft | 20 Biswa | 62.50 Decimals | 1.60 Bigha |
| Nepal (Ropani / Bigha) | 72,900 Sq Ft | 20 Kattha | 167.35 Decimals | 0.597 Bigha |