Katha to Square Feet Converter
Convert katha to square feet (and back) using the verified regional katha of your area. Katha is not standardized: 1 katha is 1361 sq ft in Bihar, 720 sq ft in West Bengal and Bangladesh, 2880 sq ft in Assam, and more. Pick your region below for the correct answer.
Formula: sq ft = katha x 1361 (Bihar / Eastern UP). Reverse: katha = sq ft / 1361.
Bigha to Katha Helper
By the common convention, 1 bigha = 20 katha. (Bigha itself also varies by region; Uttar Pradesh bigha differs, so treat this as a helper.)
1 bigha = 20 katha
1 Katha in Square Feet by Region
| Region | 1 katha (sq ft) | Sq m | Acres | Published sources |
|---|---|---|---|---|
| Bihar / Eastern UP | 1,361 | 126.44 | 0.03124 | ctrlcalculator.com, hextobinary.com, 360realtors.com (1361.25 variant: landrecords.co.in) |
| West Bengal (Kolkata) | 720 | 66.89 | 0.01653 | landrecords.co.in, converteraz.com, housing.com |
| Assam | 2,880 | 267.56 | 0.06612 | landrecords.co.in, housing.com, converteraz.com |
| Jharkhand | 1,361 | 126.44 | 0.03124 | 360realtors.com, ctrlcalculator.com (Palamu district local: 1742) |
| Chhattisgarh | 1,000 | 92.90 | 0.02296 | ctrlcalculator.com (some sources cite 1361; varies locally) |
| Bangladesh | 720 | 66.89 | 0.01653 | converteraz.com, onlineminitools.com, landrecords.co.in |
| Nepal | 3,645 | 338.63 | 0.08368 | area-converter.com, onlineminitools.com |
Regional standards compiled October 2026 from the published sources listed. Where sources disagree (notably Chhattisgarh, and Palamu district in Jharkhand), the conflict is noted in the table. Confirm the exact local value before any transaction.
sq ft = katha x regional factorkatha = sq ft / regional factorsq m = sq ft / 10.7639104167 acres = sq ft / 43560 bigha = katha / 20
Frequently Asked Questions
How many square feet are in 1 katha?
It depends on the region, because katha is not standardized. Common values are 720 sq ft in West Bengal and Bangladesh, 1361 sq ft in Bihar, eastern Uttar Pradesh and Jharkhand, 2880 sq ft in Assam, 1000 sq ft in Chhattisgarh, and 3645 sq ft in Nepal. Always confirm the local value before any land transaction.
How many square feet is 1 katha in Bihar?
In Bihar, 1 katha is commonly taken as 1361 sq ft, about 126.44 sq m or 0.03124 acres. Some sources quote 1361.25 sq ft, and values can differ by district, so confirm locally.
How many square feet is 1 katha in West Bengal?
In West Bengal, 1 katha equals 720 sq ft, which is about 66.89 sq m. It is also 80 square yards (gaj) and one twentieth of a bigha.
How many square feet is 1 katha in Assam?
In Assam, 1 katha equals 2880 sq ft, about 267.56 sq m or 0.06612 acres. That is four times the West Bengal katha of 720 sq ft.
How many katha are in 1 acre?
It depends on the regional katha. One acre (43560 sq ft) equals 60.5 katha in West Bengal and Bangladesh, about 32.01 katha in Bihar and Jharkhand, 15.125 katha in Assam, 43.56 katha in Chhattisgarh, and about 11.95 katha in Nepal.
How do I convert square feet to katha?
Divide the area in square feet by the katha size of your region. For example, 7200 sq ft in West Bengal is 7200 divided by 720, which is 10 katha. The same 7200 sq ft in Bihar is 7200 divided by 1361, about 5.29 katha.
How many katha make 1 bigha?
By the common convention used in West Bengal, Bangladesh and Bihar, 1 bigha equals 20 katha. Bigha sizes also vary by region, so treat this as a helper and confirm the local bigha before transactions.
What is 1 katha in square meters?
One katha is about 66.89 sq m in West Bengal and Bangladesh, 126.44 sq m in Bihar and Jharkhand, 267.56 sq m in Assam, 92.90 sq m in Chhattisgarh, and 338.63 sq m in Nepal.
Why does the size of a katha vary by region?
Katha is a traditional land unit that predates standardization. Each region developed its own customary size, and it was never fixed nationally in India or Bangladesh. That is why converters must use a region selector and why you should confirm the local value.
How many square feet is 1 katha in Bangladesh?
In Bangladesh, 1 katha is 720 sq ft, about 66.89 sq m. Twenty katha make one bigha in the common convention, so a Bangladeshi bigha is 14400 sq ft.
How many square feet is 1 katha in Jharkhand?
In Jharkhand, 1 katha is commonly 1361 sq ft, the same as Bihar. One local exception is Palamu district, where some sources record 1742 sq ft per katha, so confirm the district value.
What is the formula to convert katha to square feet?
Square feet equals katha multiplied by the regional factor. For Bihar, sq ft equals katha times 1361. For West Bengal and Bangladesh, sq ft equals katha times 720. For Assam, sq ft equals katha times 2880. To go the other way, divide square feet by the same factor.
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