1 acre = 32 katha (43,560 sq ft). To convert acres to katha, multiply by 32. To convert katha back to acres, multiply by 0.03125. The figures below use the Katha (Bihar) size; the state-wise table shows other states.
1 Acre = 32 Katha (Bihar)
Acre to katha formula
Katha = acres × 32
Example: 5 acres = 5 × 32 = 160 katha.
Acre to katha conversion table
| Acres | Katha | Square feet |
|---|---|---|
| 1 | 32 | 43,560 |
| 2 | 64 | 87,120 |
| 3 | 96 | 130,680 |
| 4 | 128 | 174,240 |
| 5 | 160 | 217,800 |
| 10 | 320 | 435,600 |
| 15 | 480 | 653,400 |
| 20 | 640 | 871,200 |
| 25 | 800 | 1,089,000 |
| 50 | 1,600 | 2,178,000 |
| 100 | 3,200 | 4,356,000 |
State-wise katha size
| State | 1 katha in sq ft | 1 katha in acres |
|---|---|---|
| Bihar | 1,361.25 | 0.03125 |
| West Bengal | 720 | 0.016529 |
| Assam | 2,880 | 0.066116 |
| Jharkhand | 1,361.25 | 0.03125 |
Local measures vary by district and by old records; the patwari or tehsil record for the land is final.
Where these units are used
The acre is used for farm land and large plots across India. 1 acre = 43,560 sq ft = 4,046.86 sq m.
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 acre?
1 acre is 32 katha.
How do I convert acres to katha?
Multiply the number of acres by 32. For example, 5 acres = 160 katha.
How many acres make 1 katha?
1 katha is 0.03125 acres.
What is 1 acre in square feet?
1 acre is 43,560 square feet.
