Used in parts of Northern India, particularly in Uttar Pradesh and Punjab. It is a sub-unit of Bigha. One Biswa is typically 1/20th of a Bigha.
A unit used in Bangladesh and West Bengal, India. One Chatak is equal to 180 square feet.
The value in Chatak is equal to the value of Biswa multiplied by 30.
→Chatak = Biswa * 30;
| Biswa | Chatak | Value |
|---|---|---|
| 0.1 | 3 | 0.1 Biswa = 3 Chatak |
| 0.2 | 6 | 0.2 Biswa = 6 Chatak |
| 0.3 | 9 | 0.3 Biswa = 9 Chatak |
| 0.4 | 12 | 0.4 Biswa = 12 Chatak |
| 0.5 | 15 | 0.5 Biswa = 15 Chatak |
| 0.6 | 18 | 0.6 Biswa = 18 Chatak |
| 0.7 | 21 | 0.7 Biswa = 21 Chatak |
| 0.8 | 24 | 0.8 Biswa = 24 Chatak |
| 0.9 | 27 | 0.9 Biswa = 27 Chatak |
| 1 | 30 | 1 Biswa = 30 Chatak |
| 2 | 60 | 2 Biswa = 60 Chatak |
| 3 | 90 | 3 Biswa = 90 Chatak |
| 4 | 120 | 4 Biswa = 120 Chatak |
| 5 | 150 | 5 Biswa = 150 Chatak |
| 6 | 180 | 6 Biswa = 180 Chatak |
| 7 | 210 | 7 Biswa = 210 Chatak |
| 8 | 240 | 8 Biswa = 240 Chatak |
| 9 | 270 | 9 Biswa = 270 Chatak |
| 10 | 300 | 10 Biswa = 300 Chatak |
| 20 | 600 | 20 Biswa = 600 Chatak |
| 30 | 900 | 30 Biswa = 900 Chatak |
| 40 | 1200 | 40 Biswa = 1200 Chatak |
| 50 | 1500 | 50 Biswa = 1500 Chatak |
| 60 | 1800 | 60 Biswa = 1800 Chatak |
| 70 | 2100 | 70 Biswa = 2100 Chatak |
| 80 | 2400 | 80 Biswa = 2400 Chatak |
| 90 | 2700 | 90 Biswa = 2700 Chatak |
| 100 | 3000 | 100 Biswa = 3000 Chatak |