The Official Bigha-Katha Relationship in Bangladesh

In the landscape of Bangladeshi land measurement, the relationship between Bigha (বিঘা) and Katha (কাঠা) is fundamental. According to the official standards used in government surveys and legal documents, the conversion is simple and fixed:

1 Bigha = 20 Katha

This standard is the bedrock of property measurement across the country, used by surveyors, lawyers, and real estate professionals. Our tool uses this exact conversion factor to ensure 100% accuracy for all your calculations.

Why is This Conversion Important?

The need to convert between Bigha and Katha arises because these units are used in different contexts. Bigha is traditionally used for larger tracts of land, especially agricultural or rural properties. In contrast, Katha is the standard unit for smaller, urban, and semi-urban plots, particularly for residential housing in cities like Dhaka.

How to Use the Bigha to Katha Converter

  1. Simply enter the number of Bigha you wish to convert into the "Enter Bigha" field.
  2. The tool will automatically calculate and display the equivalent value in Katha in real-time.
  3. There is no need to click any buttons—the conversion is instant.

Understanding Land Measurement: Bigha, Katha, and Beyond

To give you a broader context, here is how Bigha and Katha relate to other common land units in Bangladesh:

  • 1 Bigha = 20 Katha
  • 1 Katha = 720 Square Feet
  • 1 Bigha = 14,400 Square Feet (20 Katha x 720 sq. ft.)
  • 1 Bigha ≈ 33.06 Shotok (Decimal)

Frequently Asked Questions (FAQ)

1. How many Katha are in 1 Bigha of land?

There are exactly 20 Katha in 1 Bigha, according to the standard measurement system in Bangladesh.

2. How big is a Bigha in square feet?

Since 1 Bigha is 20 Katha and 1 Katha is 720 square feet, 1 Bigha is equal to 14,400 square feet.

3. Is 'Bigha' used on official documents like a 'Khatian' (Porcha)?

While Bigha is commonly used in conversation and on older deeds (Dolil), modern official land records like the RS Khatian (Porcha) primarily use Acre and Shotok (Decimal) for recording land area. This is why converting between these units is so important.

Disclaimer

This tool is for quick and accurate informational purposes. For any legal property transaction, sale, or dispute, always rely on the measurements and records provided by the local land office and certified government surveyors.