1 square foot = 0.000735 katha. To convert square feet to katha, multiply by 0.000735. To convert katha back to square feet, multiply by 1,361.25. The figures below use the Katha (Bihar) size; the state-wise table shows other states.
1 Square feet (sq ft) = 0.000735 Katha (Bihar)
Square foot to katha formula
Katha = square feet × 0.000735
Example: 1000 square feet = 1000 × 0.000735 = 0.734619 katha.
Square foot to katha conversion table
| Square feet | Katha |
|---|---|
| 100 | 0.073462 |
| 500 | 0.367309 |
| 1,000 | 0.734619 |
| 2,000 | 1.4692 |
| 5,000 | 3.6731 |
| 10,000 | 7.3462 |
| 50,000 | 36.7309 |
| 100,000 | 73.4619 |
State-wise katha size
| State | 1 katha in sq ft | 1 katha in square feet |
|---|---|---|
| Bihar | 1,361.25 | 1,361.25 |
| West Bengal | 720 | 720 |
| Assam | 2,880 | 2,880 |
| Jharkhand | 1,361.25 | 1,361.25 |
Local measures vary by district and by old records; the patwari or tehsil record for the land is final.
Where these units are used
Square feet is the standard unit for flats, offices and shops in India. RERA requires builders to state carpet area.
Katha (kattha) is used in Bihar, Jharkhand, West Bengal and Assam. Its size differs by state: about 1,361 sq ft in Bihar, 720 sq ft in West Bengal and 2,880 sq ft in Assam.
Related converters
- Land area converter (all units)
- Square metre to square feet
- Acre to square feet
- Hectare to acre
- Bigha to square feet
- Gaj to square feet
- Guntha to square feet
- Cent to square feet
Frequently asked questions
How many katha are in 1 square foot?
1 square foot is 0.000735 katha.
How do I convert square feet to katha?
Multiply the number of square feet by 0.000735. For example, 1000 square feet = 0.734619 katha.
How many square feet make 1 katha?
1 katha is 1,361.25 square feet.
