Productive ToolboxKatha Land Calculator
Calculate and convert land area in Katha units. Supports Bangladesh, West Bengal, Bihar, and Nepal regional standards with instant multi-unit conversion.
Katha Land Calculator
Convert land area between Katha, Decimal, Bigha, Acre, and more using Bangladesh, West Bengal, Bihar, or Nepal standards.
Settings
Decimal
Enter Land Area
Press Esc to reset
All Conversions
Quick Presets
What is a Katha Land Calculator?
A Katha Land Calculator is a specialized tool for converting land area measurements between Katha and other units such as Decimal, Bigha, Acre, Square Feet, Square Meter, and Hectare. Katha is a traditional land measurement unit widely used across South Asia, particularly in Bangladesh, West Bengal, Bihar, and Nepal.
Because the value of 1 Katha varies by region — for example, 1 Katha equals 720 sq ft in Bangladesh and West Bengal, 1,361.25 sq ft in Bihar, and 3,645 sq ft in Nepal — this calculator lets you select your regional standard for accurate results.
Whether you are buying land, preparing legal documents, or studying land measurement systems, this tool provides instant, accurate conversions across all major units and regional standards.
How to Use the Katha Land Calculator
Step-by-Step Guide
- 1Enter the land area value in the input field
- 2Select the unit you are converting from (e.g. Decimal, Katha, Acre)
- 3Choose your regional standard (Bangladesh, West Bengal, Bihar, or Nepal)
- 4View instant conversions across all units simultaneously
- 5Copy, save, or export your results
Quick Tips
- ✓Results update automatically as you type
- ✓Use preset buttons for common values
- ✓Switch regions instantly to compare standards
- ✓Save calculations to history for reference
- ✓Export results as a text file
Regional Katha Standards
| Region | 1 Katha (sq ft) | 1 Bigha (sq ft) | Katha per Bigha |
|---|---|---|---|
| Bangladesh | 720 | 14,400 | 20 |
| West Bengal | 720 | 14,400 | 20 |
| Bihar | 1,361.25 | 27,225 | 20 |
| Nepal | 3,645 | 72,900 | 20 |
Note: 1 Decimal = 435.6 sq ft and 1 Acre = 43,560 sq ft are consistent across all regions.
Common Katha Conversions (Bangladesh Standard)
| Katha | Decimal | Sq Feet | Acre |
|---|---|---|---|
| 1 | 1.653 | 720 | 0.01653 |
| 5 | 8.264 | 3,600 | 0.08264 |
| 10 | 16.529 | 7,200 | 0.16529 |
| 20 | 33.058 | 14,400 | 0.33058 |
| 60 | 99.174 | 43,200 | 0.99174 |
Who Uses This Calculator?
Farmers
Calculate crop field sizes and plan agricultural land use across different regional measurement systems.
Real Estate
Convert property sizes for listings, valuations, and client communications across South Asian markets.
Surveyors
Prepare accurate land survey documents with precise measurements in all required units.
Developers
Plan construction projects and calculate land requirements using local measurement standards.
Students
Learn and practice land measurement conversions for academic and professional purposes.
Legal Work
Prepare accurate land documentation and legal papers with verified measurement conversions.
Frequently Asked Questions
How many square feet is 1 Katha in Bangladesh?
In Bangladesh, 1 Katha equals 720 square feet. This is the same standard used in West Bengal, India.
How many Decimal is 1 Katha?
In Bangladesh standard, 1 Katha = 720 sq ft and 1 Decimal = 435.6 sq ft, so 1 Katha ≈ 1.653 Decimal.
How many Katha in 1 Bigha?
In Bangladesh and West Bengal, 1 Bigha = 20 Katha. In Bihar, 1 Bigha = 20 Katha (but each Katha is larger). In Nepal, 1 Bigha = 20 Katha as well.
Why does 1 Katha differ by region?
Katha is a traditional unit that evolved independently in different regions before standardization. Each region adopted its own value based on historical land administration practices.
How many Katha in 1 Acre (Bangladesh)?
1 Acre = 43,560 sq ft. In Bangladesh, 1 Katha = 720 sq ft, so 1 Acre ≈ 60.5 Katha.