Use the line scale provided for the world map in figure 8 to determine the corresponding ratio scale

Calculate map scale given equivalent map and ground distances

When 1 millimeter on the map is equivalent to 1 kilometer on the ground, the map scale is 1:100000.

Calculate map distance given map scale and ground distance

millimeters centimeters inches

At a map scale of 1:100000, 1 kilometer on the ground is equivalent to 1 millimeter on the map.

Calculate ground distance given map scale and map distance

meters kilometers feet statute miles nautical miles

At a map scale of 1:100000, 1 millimeter on the map is equivalent to 1 kilometer on the ground.

Get a custom map ruler for any map scale you need.

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