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# Map Scale and Distance Calculator

Calculate scale, distance on the map or real distance on Earth. Please enter two values, the third will be calculated.

An example: on a map with the scale 1:20000, 3 centimeters accord to 0.6 kilometers in reality.
1 cm ⇒ 20000 cm
3 cm ⇒ 20000 * 3 cm = 60000 cm = 600 m = 0.6 km

The scale is rounded to integers, the distance of the map to 0.1, the real distance to 0.001.

 Scale: 1 : Distance on the map: millimeters centimeters inches Real distance: meters kilometers feet yards miles

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# Compare Scales

Calculate lengths from map scales and convert different scales. Enter the length of a distance on a map, the scale and the unit and click Calculate. Real length returns the real distance on Earth.

JavaScript has to be enabled to use the calculator.
Instruction activate JavaScript

 Length on map millimeters centimeters inches Scale A 1 : Scale B 1 : Real length A meters kilometers feet yards miles Ratio of the two scales : Real length B meters kilometers feet yards miles One unit on map A is equivalent to   units on map B. One unit on map B is equivalent to   units on map A.

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