This clip demonstrates how to use the scale of a map to calculate distance. JOE CROWLEY: Because maps are drawn to scale they’re perfect for working out the exact distance between two features on the ...

Map scales close map scaleThe ratio of the length of a feature on a map to the same length in real life. are often written as a ratio, eg 1 : 250,000. They can also be written using measurements, eg 2 ...