land measurement

How do you find the area of a field?
Take the figure you have worked out in square metres (m²), then divide by 10,000 to find the number of hectares (ha). For example, to calculate a larger area of land in hectares, use the following formula: Use a calculator to convert an area in square metres (m²) into hectares (ha).
How do you figure out the area?
The simplest (and most commonly used) area calculations are for squares and rectangles. To find the area of a rectangle multiply its height by its width. For a square you only need to find the length of one of the sides (as each side is the same length) and then multiply this by itself to find the area.
How do you calculate length?
To calculate the girth of a package, follow these guidelines:
  1. Measure the three parcel dimensions in centimetres. Example: 50 cm (Length) x 40 cm (Width) x 30 cm (Height).
  2. Add the measurements of the two smallest dimensions together. ...
  3. Now simply take the longest dimension and add this to the package girth

How do you calculate the area of a circle?
Square the radius and multiply by pi to find the area of the circle. C = pi * d calculates the circumference (distance around the outside of the circle). D in the formula refers to the diameter which is the width of the circle. The formula for thearea of a circle is A = pi * r * r where r is the radius (diameter / 2).
How to find the surface area of Rectangular Prisms:
  1. Find the area of two sides (Length*Height)*2 sides.
  2. Find the area of adjacent sides (Width*Height)*2 sides.
  3. Find the area of ends (Length*Width)*2 ends.
  4. Add the three areas together to find the surface area.
  5. Example: The surface area of a rectangular prism 5 cm long, 3 cm

Land Measurement Conversion Guide
1 Acre = 43,560 square feet
1 Acre = 160 square rods
1 Acre = 1.1834 square arpents
1 Acre = 10 square chains
1 Acre = 160 square rods
1 Acre = 160 perches
1 Acre = 160 poles
1 Acre = .4047 hectare
1 Acre = 4047 square meters
1 Acre = is about 208 3/4 feet square
1 Acre Square = 5645.376 square varas
Arpen measurements vary by locality:
1 Arpent (in LA, MS, AL, FL) = .84625 of an acre
1 Arpent Square (in LA, MS, AL, FL) = 191.994 feet or 2.909 chains on each side
1 Arpent (AR and MO) = .8507 of an acre
1 Arpent Square (AR and MO) = 192.5 feet or 2.91667 chains on each side
1 Caballeria (Texas-Spanish) = 108 acres
1 Centimeter = .3937 inches
1 Centimeter = .032808 feet
1 Chain = 66 feet
1 Chain = 4 rods
1 Chain = 4 perches
1 Chain = 4 poles
1 Chain = 100 links
1 Chain = 20.1168 meters
1 Foot = 12 inches
1 Foot = .36 varas
1 Furlong = 660 feet
1 Furlong = 40 rods
1 Foot = 0.3048006 meter
1 Hectare = 10,000 square meters
1 Hectare = 2.471 acres
1 Inch = .0254 meter
1 Kilometer = 3280.83 feet
1 Kilometer = .62 mile
1 Knot = 6080.2 feet
1 Labor (Texas-Spanish)= 1,000,000 square varas
1 Labor = 177.136 acres
1 League (Texas-Spanish) = 25,000,000 square varas
1 League = 4428.4 acres
1 Link = 7.92 inches
1 Link = .66 feet
1 Link = .2017 meter
1 Meter = 3.280833 feet
1 Meter = 39.37 inches
1 Meter Square = 10.764 square feet
1 Mile = 5,280 feet
1 Mile = 8 furlongs
1 Mile = 320 rods
1 Mile = 80 chains
1 Mile = 1.60935 kilometers
1 Mile = 320 perches
1 Mile = 320 poles
1 Mile = 8000 links
1 Mile = 1,609.2655 meters
1 Mile Square = a regular Section of land
1 Mile Square = 27,878,400 square feet
1 Mile Square = 640 acres
1 Mile Square = 259 hectares
1 Mile Square = 2.59 square hectares
1 Perch = 25 links
1 Perch = 1 pole
1 Perch = 1 rod
1 Perch = 16.5 feet
1 Pole = 16.5 feet
1 Pole = 1 perch
1 Pole = 1 Rod
1 Rod = 1 pole
1 Rod = 1 perch
1 Rod = 16.5 feet
1 Section = 1 mile long, by 1 mile wide
1 Section = 640 acres
1 Sitio (Texas-Spanish)= 1 league
1 Township = 6 miles long, by 6 miles wide
1 Township = 36 sections
1 Township = 36 square miles
Vara Measurements differ by locality:
1 Vara (Texas-Spanish) = 33 1/3 inches
1 Vara (Southern Colorado) 32.993 inches
1 Vara (Florida) 33.372 inches 
1 Yard = 36 inches
1 Yard = 3 feet
1 Yard Square = 9 square feet

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