Land Area Converter & Calculator
Enter a plot's length and width, or an area in any unit, to see it in every other unit. Local units follow the West Bengal standard; other states use different bigha sizes.
Private: your numbers stay on your device.Calculated in your browser. The amounts you enter are never sent to us or stored.
Quick answer
1 square metre = 10.7639 sq ft; 1 square yard (gaj) = 9 sq ft; 1 acre = 43,560 sq ft; 1 hectare = 2.471 acres. In West Bengal, 1 bigha = 20 katha = 14,400 sq ft and 1 katha = 16 chatak = 720 sq ft. Bigha and katha sizes differ by state.
How to use the Land Area Converter & Calculator
- Enter length × width, or type an area and choose its unit.
- Read the area in all units.
Worked example
A 30 ft × 40 ft plot = 1,200 sq ft = 111.48 sq m = 133.33 gaj = 1.667 katha (WB).
Formula
1 sq m = 10.7639 sq ft; 1 gaj = 9 sq ft; 1 acre = 43,560 sq ft WB: 1 katha = 720 sq ft; 1 bigha = 14,400 sq ft; 1 chatak = 45 sq ft
Frequently asked questions
Is a bigha the same everywhere in India?
No. A bigha ranges widely by state and even district. This calculator uses the West Bengal standard (14,400 sq ft). Check your land records for local values.
Which area appears on a flat's sale deed?
Under RERA, builders must state carpet area. Built-up and super built-up areas are larger.
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