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Land Area Converter: Cent, Ground, Acre & Sq ft

Convert between grounds, cents, acres, square feet and the metric units on patta records, or work out a plot's area from its sides.

Plot size from length and breadth

Enter both sides of a rectangular plot.

Quick answers

1 acre100 cents, 18.15 grounds, 43,560 sq ft
1 cent435.6 sq ft, 0.1815 ground
1 ground2,400 sq ft, 5.51 cents
1 hectare2.47 acres, 247.1 cents
10 cents4,356 sq ft, 1.81 grounds
27 cents0.27 acre, 11,761.2 sq ft
33 cents14,374.8 sq ft, 5.99 grounds
50 centshalf an acre, 21,780 sq ft, 9.07 grounds

Cents to grounds and sq ft

CentsSq ftGrounds
1 cents435.6 sq ft0.18 grounds
2 cents871.2 sq ft0.36 grounds
3 cents1,306.8 sq ft0.54 grounds
5 cents2,178 sq ft0.91 grounds
6 cents2,613.6 sq ft1.09 grounds
10 cents4,356 sq ft1.81 grounds
15 cents6,534 sq ft2.72 grounds
20 cents8,712 sq ft3.63 grounds
25 cents10,890 sq ft4.54 grounds
30 cents13,068 sq ft5.45 grounds
40 cents17,424 sq ft7.26 grounds
50 cents21,780 sq ft9.07 grounds
75 cents32,670 sq ft13.61 grounds
100 cents43,560 sq ft18.15 grounds

Land units used in Tamil Nadu

Chennai and the surrounding districts mix several units. City plots are sold in square feet or grounds; suburban and village land in cents and acres; and government records such as patta and the FMB sketch use hectares and ares.

1 square metre10.76 sq ft
1 square yard9 sq ft
1 ground2,400 sq ft
1 cent435.60 sq ft
1 acre43,560 sq ft
1 are1,076.39 sq ft
1 hectare107,639.10 sq ft

Some older documents use local units such as the kuzhi or kani, whose size differs from district to district. Convert those only with the figure written in the document itself, or ask us to check.

Frequently asked questions

How many cents make one acre?

100 cents make one acre. One cent is one hundredth of an acre, 435.6 sq ft.

How do I convert cents to grounds?

Multiply the cents by 435.6 to get sq ft, then divide by 2,400. One cent is 0.1815 ground, so 33 cents is about 6 grounds.

How many sq ft is one ground?

One ground is 2,400 sq ft, the area of a 60 by 40 ft plot. It is the usual unit for plots inside Chennai.

How many grounds are in an acre?

An acre is about 18.15 grounds (43,560 ÷ 2,400).

Why does my patta show hectares and ares?

Tamil Nadu land records use metric units. One are is 1,076.39 sq ft, about 2.47 cents, and one hectare is 100 ares, about 2.47 acres.

Comparing prices? A rate per cent and a rate per sq ft can look very different for the same land. Convert both to one unit before you compare, then use the land value calculator to price the plot. See our current listings or read the land buying checklist.