Land and area unit converter
Type a value in any box and every other unit updates. Covers sq ft, gaj, acre, guntha, cent, marla and kanal, plus bigha, biswa and katha using the size from your local records.
Local units (size varies by state)
Bigha, biswa and katha differ by state and district. Enter the sq ft value from your local revenue records to convert them.
How we calculate
Every value is converted to square feet first, then to the target unit. 1 acre = 43,560 sq ft, 1 gaj = 9 sq ft, 1 guntha = 1,089 sq ft, 1 cent = 435.6 sq ft, 1 sq m = 10.7639 sq ft, 1 marla = 272.25 sq ft, 1 kanal = 5,445 sq ft, 1 ground = 2,400 sq ft.
Frequently asked questions
How many sq ft are in one acre?
One acre is 43,560 sq ft.
How many sq ft are in one gaj?
One gaj (square yard) is 9 sq ft.
Why does the bigha size differ?
Bigha, biswa and katha are set by each state and sometimes by district, so enter the size used in your local revenue records.
How many sq ft in a guntha and a cent?
One guntha is 1,089 sq ft and one cent is 435.6 sq ft.
Is marla the same everywhere?
This tool uses 272.25 sq ft per marla, common in Punjab and Haryana. Confirm the local value for legal documents.
More tools
Concrete, steel, tile and paint calculators Construction cost calculator