Land Measurement

Survey Field Details:

The seven essential points to know in a survey field map:

  1. An FMB (Field Measurement Book) contains land measurements, subdivision numbers, and survey numbers close to the boundary.
  2. The boundary lines of a survey number are referred to as “F Line” (Field Boundary Line).
  3. A cross line is named “G Line,” representing the distance between points A and D.
  4. Additionally, there will be a line from E to B that is perpendicular and also called “G Line.”
  5. If any stone is missing between two G Lines, the position of the missing stone can be determined using the other G Line.
  6. The measurements in the FMB are recorded in meters.
  7. If the land area within a single survey number is greater than 15 acres, it will be scaled at 1:5000, for smaller areas it will be scaled at 1:2000, and for very small areas, the scale will be 1:1000.

 

Methods for Land Measurement:

Land measurement units are used differently in each region. In Tamil Nadu, three types of measurement systems are used:

  1. Traditional Local Units: Kuzhi, Maa, Veli, Kaari, Marakka
  2. British System Units: Square feet, Cent, Acre
  3. Metric Units: Square meters, Ares, Hectares

However, all land title documents are written using metric units like Ares and Hectares.

Land Measurement Units:

1 Cent = 40.47 Square meters

1 Acre = 43,560 Square feet

1 Acre = 40.47 Ares

1 Hectare = 10,000 Square meters

1 Cent = 435.6 Square feet

1 Are = 100 Square meters

1 Kuzhi = 144 Square feet

1 Cent = 3 Kuzhi

3 Maa = 1 Acre

1 Acre = 18 Ground

1 Ground = 2,400 Square feet

  • 1 Acre = 100 Cent
  • 1 Acre = 0.404694 Hectares
  • 1 Acre = 40.5 Ares
  • 1 Acre = 43,560 Square feet
  • 1 Acre = 4046 Square meters
  • 1 Cent = 0.01 Acre
  • 1 Cent = 0.004 Hectare
  • 1 Cent = 0.405 Are
  • 1 Cent = 435.54 Square feet
  • 1 Cent = 40.46 Square meters
  • 1 Hectare = 2.47 Acres
  • 1 Hectare = 247 Cent
  • 1 Hectare = 100 Ares
  • 1 Hectare = 107,637.8 Square feet
  • 1 Hectare = 10,000 Square meters
  • 1 Are = 2.47 Cent
  • 1 Are = 100 Square meters
  • 1 Are = 1,076 Square feet
  • 100 Kuzhi = 1 Maa
  • 20 Maa = 1 Veli
  • 3.5 Maa = 1 Acre
  • 6.17 Acres = 1 Veli
  • 1 Acre Length = 1 Parlang, 40 Kambam, or 220 Kejam
  • 1 Acre Width = 1 Sangili, 4 Kambam, or 22 Kejam
  • 10 Kon = 1 Nunnanu
  • 10 Nunnanu = 1 Anu
  • 8 Anu = 1 Kathirthul
  • 8 Kathirthul = 1 Thusumpu
  • 8 Thusumpu = 1 Mayirnuni
  • 8 Mayirnuni = 1 Nunnamal
  • 8 Nunnamal = 1 Sirukadugu
  • 8 Sirukadugu = 1 Elu
  • 8 Elu = 1 Nel
  • 8 Nel = 1 Viral
  • 12 Viral = 1 Saana
  • 2 Saana = 1 Muzham
  • 4 Muzham = 1 Paagam
  • 6000 Paagam = 1 Kaadham (1200 Kejam)
  • 4 Kaadham = 1 Yosana
  • 8 Thorai (Nel) = 1 Viral
  • 12 Viral = 1 Saana
  • 2 Saana = 1 Muzham
  • 4 Muzham = 1 Paagam or Thandam
  • 2000 Thandam = 1 Kroosam (21/4 mile)
  • 4 Kroosam = 1 Yosana
  • 7 1/2 Naaligai Vali = 1 Kaadham (10 miles)
  • 16 Saana = 1 Kol
  • 18 Kol = 1 Kuzhi
  • 100 Kuzhi = 1 Maa
  • 240 Kuzhi = 1 Paadagam
  • 1 Square Inch = 6.4516 Square Centimeters
  • 1 Square Foot = 0.09290304 Square Meters
  • 1 Square Yard = 0.83612736 Square Meters
  • 1 Square Mile = 2.589988110336 Square Kilometers
  • 1 Are = 100 Square meters
  • 1 Hectare = 100 Ares = 10,000 Square meters = 0.01 Square Kilometers

Even though the “Are” unit is not widely used nowadays, the Hectare is still used for land measurements.

  • 1 Acre = 4,840 Square Yards = 43,560 Square Feet = 4,046.856 Square Meters
  • 1 Square Mile = 640 Acres = 2.5899881103 Square Kilometers
  • 100 Square Meters = 1 Are
  • 100 Ares = 1 Hectare
  • 1 Square Meter = 10.764 Square Feet
  • 2,400 Square Feet = 1 Manai
  • 24 Manai = 1 Kaari
  • 1 Kaari = 1.32 Acres
  • 144 Square Inches = 1 Square Foot
  • 435.6 Square Feet = 1 Cent
  • 1,000 Square Links = 1 Cent
  • 100 Cent = 1 Acre
  • 1 Lakh Square Links = 1 Acre
  • 2.47 Acres = 1 Hectare
  • 1 Hectare = 2.5 Acres (2.47 Acres)
  • 1 Acre = 4,840 Kuzhi (Square Yards)
  • 100 Cent = 4,840 Square Kuzhi
  • 1 Cent = 48.4 Square Kuzhi
  • 1 Acre = 4,067.23 Square Meters (Sq. Meters)
  • 1 Acre = 43,560 Square Feet
  • 1 Kuzhi (Square Yard) = 0.8361 Square Meter (Square Meter)
  • 1 Square Meter (Sq. Meter) = 1.190 Kuzhi
  • 1 Kuzhi = 9 Square Feet
  • 1 Square Meter (Sq. Meter) = 10.76 Square Feet
  • 1 Kunda (Guntha) = 121 Kuzhi = 101.17 Square Meters
  • 1 Kunda (Guntha) = 33 Feet * 33 Feet = 1,089 Square Feet
  • 100 Kuzhi = 1 Maa
  • 20 Maa = 1 Veli
  • 3.5 Maa = 1 Acre
  • 6.17 Acres = 1 Veli
  • 16 Saana = 1 Kol
  • 18 Kol = 1 Kuzhi
  • 100 Kuzhi = 1 Maa
  • 240 Kuzhi = 1 Paadagam
  • 20 Maa = 1 Veli

In conclusion, understanding and using the correct land measurement system and conversion between units ensures precision in land management and legal matters, especially in a region where multiple systems have been historically employed.

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