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Land SurveyPublished 2026-07-265 min read
How to Convert Katha to Decimal & Square Feet: Step-by-Step Ratios & Examples
A simple mathematical guide on converting Katha into Decimals, Square Feet, and Acres accurately. Includes practical land buying examples for urban and rural plots.
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Interactive Converter Tool
Katha to Decimal Converter (ржХрж╛ржарж╛ ржерзЗржХрзЗ ржбрзЗрж╕рж┐ржорж▓/рж╢рждржХ)
Convert Katha to Decimal / Shatak / Disimil instantly. Official land conversion ratio for BD & West Bengal.
Why Katha to Decimal Conversion is Essential
When browsing real estate plots in Dhaka, Rajshahi, Kolkata, or Patna, prices are often quoted per Katha. However, government land registry documents record area in Decimals (Shatak) and square feet.
Knowing how to convert between Katha, Decimal, and Square Feet prevents costly overestimation during land purchase.
The Standard Conversion Ratio
In standard land survey metrics:
1 Katha = 720 Square Feet
1 Shatak (Decimal) = 435.6 Square Feet
Dividing $720$ by $435.6$ gives the universal ratio:
1 Katha = 1.65289 Decimals (Shatak)
Step-by-Step Calculation Examples
Example 1: Convert 3.5 Katha into Decimals
To find how many Decimals are in 3.5 Katha:
Decimals = 3.5 \times 1.65289 = 5.785 Decimals
Example 2: Convert 3.5 Katha into Square Feet
Square Feet = 3.5 \times 720 = 2,520 Sq Ft
Example 3: Convert 1,800 Sq Ft Plot into Katha and Decimals
1.In Katha: $1,800 \div 720 = 2.5 \text{ Katha}$
2.In Decimals: $1,800 \div 435.6 = 4.132 \text{ Decimals}$
Quick Reference Conversion Matrix
Tags:#Katha to Decimal#Square Feet Calculator#Plot Measurement#Katha to Sq Ft