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In summary
Land Conversion Guide
- 1 Acre = 32 Katha is a commonly used conversion value when 1 katha is taken as 1,360 square feet
- Conversion formula: Katha = Acre × 32
- One acre is equal to 43,560 square feet
- The size of one katha varies by state and locality
- Always verify the local conversion standard before using the result for property transactions
How to convert acre to katha?
You can convert acre to katha using a simple multiplication formula. However, since the size of one katha differs across regions, the applicable local conversion factor should be checked before using the result for land registration, purchase, sale or valuation.
Follow these steps to convert acre to katha:
- Find the land area in acres.
- Identify the applicable katha size in square feet.
- Multiply the land area in acres by 43,560 to convert it into square feet.
- Divide the result by the local size of one katha in square feet.
- The result is the land area in katha.
Example
If 1 katha is considered equal to 1,360 square feet:
1 acre = 43,560 square feet
Katha = 43,560 ÷ 1,360 = 32.03 katha
Therefore, 1 acre is approximately 32 katha under this conversion standard.
What is katha?
Katha is a traditional land measurement unit used in parts of India, particularly in states such as Bihar, West Bengal, Assam and Jharkhand. However, its size is not standardised across the country. Official land-record systems also recognise different regional area units, highlighting the need to use the applicable local conversion factor. The size of one katha can vary considerably depending on the state and locality. For example, government references show different katha measurements in different regions.
- Commonly used for agricultural and residential land
- Often found in local land records
- Used particularly in eastern and northeastern parts of India
- Its exact value should be verified according to local land records
What is an acre?
An acre is a standard unit of land measurement used widely in real estate, agriculture and property records. One acre is equal to 43,560 square feet or approximately 4,046.86 square metres. Unlike katha, the acre has a fixed value. This makes it useful for comparing land areas across different regions.
- Commonly used for agricultural and large land parcels
- Equal to 43,560 square feet
- Equal to approximately 4,046.86 square metres
- Recognised as a standard land measurement unit
Acre to Katha conversion chart
Here is a quick reference chart based on the commonly used conversion factor of 1 acre = 32 katha:
| Acre | Katha |
|---|---|
| 1 acre | 32 katha |
| 2 acres | 64 katha |
| 5 acres | 160 katha |
| 10 acres | 320 katha |
| 20 acres | 640 katha |
| 50 acres | 1,600 katha |
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Key differences between Acre and Katha
| Parameter | Acre | Katha |
|---|---|---|
| Type of unit | Standard land measurement unit | Traditional land measurement unit |
| Value | Fixed at 43,560 sq. ft. | Varies by region |
| Used in | Agriculture, real estate and official land measurements | Local land records and property transactions |
| Standardisation | Standardised | Not uniform across India |
| Geographic use | Widely used across India and internationally | Mainly used in selected Indian regions |
| Conversion | Fixed | Requires local conversion factor |
Understanding acre to katha conversion helps simplify land measurements and makes it easier to compare property areas. A commonly used conversion is 1 acre = 32 katha, when one katha is taken as 1,360 square feet. However, katha is a regional unit and its size can vary significantly. Therefore, always verify the applicable local conversion standard with the relevant revenue or land-record authority before buying, selling, registering or valuing land.
Frequently Asked Questions
Overview
Length Conversion
Is katha a standard land measurement unit in India?
No, katha is not a standardised land measurement unit across India. Its size varies by state and sometimes by district or locality. For example, government references for Assam and West Bengal use 720 sq ft for 1 katha, while other regions use different values. Therefore, the applicable local definition should be confirmed before converting acres to katha or using the measurement for property transactions.
Which Indian states use katha for land measurement?
Katha is commonly used in parts of Assam, West Bengal, Bihar, Jharkhand and some northern and eastern Indian regions. However, its size and usage can vary within a state. Landowners should check the relevant revenue or registration authority for the applicable local measurement before using katha in property documents, valuation or transactions.
How do land values differ when measured in acre vs. katha?
Land value does not inherently change when an area is expressed in acres or katha; only the measurement unit changes. An acre is a fixed area of 43,560 sq ft, while katha has a region-specific size. Therefore, the same property may show a different numerical area in acres and katha, but its underlying land area and market value remain the same when correctly converted.
How many kathas are in 1 acre in Assam?
Using the Assam government reference of 1 katha = 720 sq ft, 1 acre is approximately 60.5 katha because 1 acre equals 43,560 sq ft. The calculation is 43,560 ÷ 720 = 60.5. Always verify the applicable local land-measurement standard before using the conversion for a land transaction or property documentation.
What is the size of 1 katha in West Bengal?
In West Bengal, 1 katha is commonly defined as 720 sq ft in official land-measurement references. On this basis, 1 acre is approximately 60.5 katha. However, property documents and local records should be checked before relying on the conversion, particularly for registration, valuation or other legal purposes.
Are there legal standards for acre and katha in India?
An acre has a standard area of 43,560 sq ft, whereas katha does not have one uniform legal size across India. State and local authorities may prescribe or recognise different katha measurements. Consequently, the conversion used in a property transaction should follow the applicable revenue, registration or land-record standard for that location.
How do I convert katha back to acres?
To convert katha to acres, multiply the number of kathas by the applicable local katha size in square feet and divide by 43,560. For example, using 720 sq ft per katha, 10 katha equals (10 × 720) ÷ 43,560, or approximately 0.165 acres. The result changes if the local katha size differs.
How do I verify the accuracy of an acre to katha conversion?
Verify the local katha size with the relevant state revenue department, registration authority or official land records before calculating. Then convert the acre into 43,560 sq ft and divide by the verified katha area in square feet. Comparing the result with an official property record or a qualified surveyor's measurement can provide additional confirmation.
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