Lengths and Areas vs. Mapping Scales
Convert lengths areas between different mapping scales.
Convert between mapping scales and lengths - feet per inch, inch per mile, meter per centimeter - and areas - acres per square inch, square miles per square inch and square metre per square centimetre.
Scale 1:X | Length | Area | |||||
---|---|---|---|---|---|---|---|
feet/inch | inch/mile | m/cm | cm/km | acres/sq. inch | sq. miles/sq. inch | m2/cm2 | |
1 | 0.083 | 63398 | 0.01 | 100000 | 0.00000016 | 0.0000000002 | 0.0001 |
2 | 0.167 | 31699 | 0.02 | 50000 | 0.00000064 | 0.0000000010 | 0.0004 |
5 | 0.417 | 12680 | 0.05 | 20000 | 0.00000399 | 0.0000000062 | 0.0025 |
10 | 0.833 | 6340 | 0.10 | 10000 | 0.00001594 | 0.0000000249 | 0.010 |
20 | 1.67 | 3170 | 0.20 | 5000 | 0.000064 | 0.00000010 | 0.040 |
50 | 4.17 | 1268 | 0.50 | 2000 | 0.000399 | 0.00000062 | 0.250 |
75 | 6.25 | 845 | 0.75 | 1333 | 0.000897 | 0.00000140 | 0.563 |
100 | 8.33 | 634 | 1.0 | 1000 | 0.00159 | 0.0000025 | 1.00 |
150 | 12.5 | 423 | 1.5 | 667 | 0.00359 | 0.0000056 | 2.25 |
200 | 16.7 | 317 | 2.0 | 500 | 0.00638 | 0.0000100 | 4.00 |
250 | 20.8 | 254 | 2.5 | 400 | 0.00996 | 0.0000156 | 6.25 |
300 | 25.0 | 211 | 3.0 | 333 | 0.0143 | 0.000022 | 9.00 |
400 | 33.3 | 158 | 4.0 | 250 | 0.0255 | 0.000040 | 16 |
500 | 41.7 | 127 | 5.0 | 200 | 0.0399 | 0.000062 | 25 |
1000 | 83.3 | 63 | 10 | 100 | 0.159 | 0.000249 | 100 |
Download and print Mapping Scales Chart
Example - Mapping Scale 1:100
The scale of a drawing is 1:100.
The 1:X factor according the table is 1.0 m/cm. 1 cm in the drawing equals
(1 cm) (1.0 m/cm) = 1 m
in the real.
Example - Mapping Scale 1:10000
The scale of a map is 1:10000.
The 1:X factor according the chart is 0.1 km/cm. 1 cm in the map equals
(1 cm) (0.1 km/cm) = 0.1 km
in the real.
Example - 0.1 miles/inch vs. scale and m/cm
As illustrated in the figure below 0.1 miles/inch corresponds to scale ≈ 1: 6300 and ≈ 63 m/cm.
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