The map scale is published in the map legend. The is provided as a proportion of customs on the map corresponding to inches, feet, or mile on the ground. Because that example, a map scale indicating a ratio of 1:24,000 (in/in), method that because that every 1 inch on the map, 24,000 inches have been spanned on the ground. Ground ranges on maps space usually provided in feet or miles.

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Map scale Conversion Factors

ScaleRepresentative FractionMap in/miMap in/chmap ft/in
1:253,440253.440.250.003121,120
1:126,720126.720.500.006310,560
1:63,36063.361.000.01255,280
1:62,50062.501.010.01275,208
1:31,68031.6820.0252,640
1:24,00024.002.640.0332,000
1:21,12021.1230.0381,760
1:15,84015.8440.051,320
1:7,9207.9280.1660

Table 5.1. Map scale Conversion Factors

Example 1- convert the map range of 1:24,000 (in/in) to (in/ft).Step 1.Set up the cancellation table so all systems will cancel, other than the wanted unit, ft/in.

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On the map 1 customs is same to 2,000 feet ~ above the ground, 1:2,000 (in/ft).Example 2- convert the 1:2,000 (in/ft) come (in/mile).Step 1.Set increase the cancellation table for this reason all devices will cancel, except the preferred unit, miles/inch.
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On the map 1 customs is same to 0.4 miles.Example 3a- The map distance between two clues is 6 inches. The map scale is 1:24,000 (in/in). What is the ground distance in feet?Set up the cancellation table for this reason all devices will cancel, except the preferred unit, feet.
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The ground distance is 12,000 feet.

USING THE amendment ACREAGE net (TRANSPARENCY)

To usage the acreage network transparency, follow these steps:

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Map Scales and Equivalents

ScaleInches per mileAcres every square inchConversion variable that each period equals
1:20,0003.16863.7691.736 Acres
1:24,0002.64091.8272.500 Acres
1:62,5001.014622.44916.946 Acres
1:63,3601.000640.00017.424 Acres

Table 5.2 Acreage grid Overlay, Map Scales, and Equivalents.

Place the acreage net transparency over the area to be measured.Count dots within the sketched area. Count every various other dot once dots fall on the border line.Multiply the total variety of dots by the conversion element on the map range to determine the total acreage. (See Table 5.2.)Example 3b- making use of the details in example 3a, discover the ground street in chains, miles, and inches.Step 1.Set increase the cancellation table for this reason all systems will cancel, except the desired unit, chains.
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12,000 feet = 182 chains

Step 2.Set increase the cancellation table for this reason all systems will cancel, except the wanted unit, miles.

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Step 3.Set increase the cancellation table so all systems will cancel, except the preferred unit, inches.
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12,000 feet = 182 chain = 2.3 mile = 144,000 inches

Occasionally, a map may not carry out a scale. The scale can be calculate by discovering the distance between two point out on the map, and also measuring the street on the map. Also, if a map has section lines, the distance in between section currently is frequently 1 mile.Example 4- The street between suggest A and B is 6 inch on the map. The well-known ground distance is 3,600 feet. What is the scale in devices of inches/foot?

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The map range is 1:600 inches/foot.Example 5- use the map scale in instance 6. The known ground distance in between points B and also C is 1/2 mile. How numerous inches is does this street correspond to on the map?

map scale = recognized distance / measure distance

Rearrange state by multiplying each side by the measure up distance and also dividing every side through the mapscale.

measured street = recognized distance / map scale

Step 1.Set increase the cancellation table therefore all devices will cancel, except the desired unit, feet.

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Step 2.Use the map range from example 6 to uncover the map distance.measured street = recognized distancemap scalemeasured street = 2,640 feet 1 customs = 4.4 inches600 feetOn the floor one-half mile is the exact same as 4.4 inch on the map.