 The following are the basic measurements of landused in Punjab, Pakistan in ascending order. A keela is measured rectangularly, reckoned as an area 36 karams x 40 karams, or 198 feet x 220 feet = 43,560 square feet. Kothis are measured in marlas and kanaals. … An acre is approximately 40% of a hectare.
Karam
1 karam = 2 ft. steps = 5.5 ft. = 1.67 m
1 sq. Karam = 5.5 x 5.5 ft. = (5.5)ft.2 = 30.25 ft.2          or
1 sq. Karam = 1.67 x 1.67 m = (1.67)2 m2 = 2.679 m2

Marla

1 Marla = 9 sq. Karam = 9 x (5.5)2 ft.2= 9 x 30.25 ft.2 = 272.24 ft.2        or
1 Marla = 9 sq. Karam = 9 x (1.67)2m2= 9 x 2.789m2 = 25.10 m2

Kanal
1 Kanal (K) = 20 Marla = 20 x 272.24 ft.2 = 5444.8 ft.2(since, 1 Marla = 272.24 ft.2)   or
1 Kanal (K) = 20 Marla = 20 x 25.10 m2 = 502 m2        (since, 1 Marla = 25.10 m2)     or
1 Kanal (K) = 20 Marla = 20 x 9 sq. Karam = 180 sq. Karam  (since 1 Marla = 9 sq. Karam)

Bega
1 Bega (B) = 4 Kanal = 4 x 5444.8 ft.2 = 21779.2 ft.2  (since, 1 Kanal = 5444.8 ft.2)    or
1 Bega (B) = 4 Kanal = 4 x 502 m2 = 2008 m2            (since, 1 Kanal = 502 m2)         or
1 Bega (B) = 4 Kanal = 4 x 180 sq. Karam = 720 sq. Karam        (since, 1 Kanal = 180 sq. Karam)

Acre
1 Acre = 8 Kanal = 8 x 5444.8 ft.2 = 43560 ft.2           (since, 1 Kanal = 5444.8 ft.2)    or
1 Acre = 8 Kanal = 8 x 502 m2 = 4016 m2                 (since, 1 Kanal = 502 m2)        or
1 Acre = 8 Kanal = 8 x 180 sq. Karam = 1440 sq. Karam   (since, 1 Kanal = 180 sq. Karam) or
1 Acre = 2 Bega

Hectare
1 Hectare = 2.47 Acre

Murabba / Square
1 Square = 24 Acre
25 Acres (Suggested by Muhammad Sarfraz)
Lat
1 Lat = 15 Acre
12.5 Acres 100 Kanals (Suggested by Muhammad Sarfraz) 1. Muhammad Sarfraz
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