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# Mapping Scales vs. Lengths and Areas

## 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:XLengthArea
feet/inchinch/milem/cmcm/kmacres/sq. inchsq. miles/sq. inchm2/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

### 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.

## Related Topics

• Miscellaneous - Engineering related topics like Beaufort Wind Scale, CE-marking, drawing standards and more.
• Drawing Tools - 2D and 3D engineering drawing tools.

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Temperature

oC
oF

Length

m
km
in
ft
yards
miles
naut miles

Area

m2
km2
in2
ft2
miles2
acres

Volume

m3
liters
in3
ft3
us gal

Weight

kgf
N
lbf

Velocity

m/s
km/h
ft/min
ft/s
mph
knots

Pressure

Pa (N/m2)
bar
mm H2O
kg/cm2
psi
inches H2O

Flow

m3/s
m3/h
US gpm
cfm

1 27