Bigha to Katha Converter (1 Bigha = 20 Katha)

Bigha to katha is a whole-number conversion in most places: 20 katha make one bigha in Bangladesh, West Bengal, Bihar and Nepal. Type the bigha below to get katha, or swap the units to go from katha back to bigha. The table also shows the same land in square feet, decimal and acres.

1 bigha = 20 katha Bangladesh and West Bengal: 1 katha = 720 sq ft, so 1 bigha = 14,400 sq ft. Assam counts 5 katha to a bigha.

How to convert bigha to katha

katha = bigha × 20   bigha = katha ÷ 20

Example: 1.75 bigha = 35 katha. A 12 katha plot is 12 ÷ 20 = 0.6 bigha.

Mixed figures like "2 bigha 7 katha" are 2 × 20 + 7 = 47 katha, or 47 × 720 = 33,840 sq ft.

Bigha to katha table

Bigha	Katha
0.25 Bigha	5 Katha
0.5 Bigha	10 Katha
0.75 Bigha	15 Katha
1 Bigha	20 Katha
1.5 Bigha	30 Katha
2 Bigha	40 Katha
2.5 Bigha	50 Katha
3 Bigha	60 Katha
4 Bigha	80 Katha
5 Bigha	100 Katha
6 Bigha	120 Katha
7 Bigha	140 Katha
8 Bigha	160 Katha
9 Bigha	180 Katha
10 Bigha	200 Katha
15 Bigha	300 Katha
20 Bigha	400 Katha
25 Bigha	500 Katha
50 Bigha	1,000 Katha
100 Bigha	2,000 Katha

Katha to bigha table

Katha	Bigha
1 Katha	0.05 Bigha
2 Katha	0.1 Bigha
3 Katha	0.15 Bigha
4 Katha	0.2 Bigha
5 Katha	0.25 Bigha
8 Katha	0.4 Bigha
10 Katha	0.5 Bigha
12 Katha	0.6 Bigha
15 Katha	0.75 Bigha
16 Katha	0.8 Bigha
20 Katha	1 Bigha
25 Katha	1.25 Bigha
30 Katha	1.5 Bigha
40 Katha	2 Bigha
50 Katha	2.5 Bigha
60 Katha	3 Bigha
80 Katha	4 Bigha
100 Katha	5 Bigha

Katha per bigha by region

Region	Katha in 1 bigha	1 katha in sq ft	1 bigha in sq ft
Bangladesh, West Bengal	20	720	14,400
Assam	5	2,880	14,400
Bihar (Patna)	20	1,361	27,220
Nepal	20	3,645	72,900
Uttar Pradesh	20 biswa (not katha)	1,350 per biswa	27,000

The Assam bigha equals the Bengal bigha in area, but it is split into 5 katha of 2,880 sq ft instead of 20 katha of 720 sq ft. In Uttar Pradesh the twentieth part of a bigha is called a biswa. Use the bigha to biswa converter for that.

Frequently asked questions

How many katha in 1 bigha?

20 katha in Bangladesh, West Bengal, Bihar and Nepal. In Assam a bigha is 5 katha.

How many katha in half a bigha?

10 katha, which is 7,200 sq ft in Bangladesh and West Bengal.

How many square feet in 1 bigha?

14,400 sq ft for the standard bigha. Other regions differ; see the bigha to square feet converter.

How many bigha in 1 acre?

3.025 bigha, or 60.5 katha. The bigha to acre converter covers every region.

Is a Bihar katha the same as a Bengal katha?

No. Both are a twentieth of a bigha, but the Bihar bigha is 27,220 sq ft, so a Bihar katha is 1,361 sq ft. See the Bihar katha converter.