1 bigha = 20 katha (27,225 sq ft). To convert bigha to katha, multiply by 20. To convert katha back to bigha, multiply by 0.05. The figures below use the Bigha (Bihar) size; the state-wise table shows other states.
1 Bigha (Bihar) = 20 Katha (Bihar)
Bigha to katha formula
Katha = bigha × 20
Example: 5 bigha = 5 × 20 = 100 katha.
Bigha to katha conversion table
| Bigha | Katha | Square feet |
|---|---|---|
| 1 | 20 | 27,225 |
| 2 | 40 | 54,450 |
| 3 | 60 | 81,675 |
| 4 | 80 | 108,900 |
| 5 | 100 | 136,125 |
| 10 | 200 | 272,250 |
| 15 | 300 | 408,375 |
| 20 | 400 | 544,500 |
| 25 | 500 | 680,625 |
| 50 | 1,000 | 1,361,250 |
| 100 | 2,000 | 2,722,500 |
State-wise bigha size
| State | 1 bigha in sq ft | 1 bigha in katha |
|---|---|---|
| Uttar Pradesh | 27,000 | 19.8347 |
| Bihar | 27,220 | 19.9963 |
| Jharkhand | 27,211 | 19.9897 |
| Haryana | 27,225 | 20 |
| Rajasthan (pucca) | 27,225 | 20 |
| Rajasthan (kachha) | 17,424 | 12.8 |
| Gujarat | 17,427 | 12.8022 |
| Madhya Pradesh | 12,000 | 8.8154 |
| West Bengal | 14,400 | 10.5785 |
| Assam | 14,400 | 10.5785 |
| Punjab | 9,070 | 6.663 |
| Himachal Pradesh | 8,712 | 6.4 |
| Uttarakhand | 6,804 | 4.9983 |
Local measures vary by district and by old records; the patwari or tehsil record for the land is final.
Where these units are used
Bigha is a traditional land unit used in Uttar Pradesh, Bihar, Rajasthan, Gujarat, Madhya Pradesh, West Bengal, Assam, Punjab and Himachal Pradesh. Its size differs by state, so always check which state the land is in.
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 bigha?
1 bigha is 20 katha.
How do I convert bigha to katha?
Multiply the number of bigha by 20. For example, 5 bigha = 100 katha.
How many bigha make 1 katha?
1 katha is 0.05 bigha.
What is 1 bigha in square feet?
1 bigha is 27,225 square feet (Bigha (Bihar)); the size is different in other states.
