The scale on a map is the ratio between real life sizes and how many times it has been shrunk to fit it on the map. Ordnance Survey maps, the most common type of map in the UK, come in several scales.

For example, on a 1:50 000 scale map, 1cm on the map equals 50 000cm (500 m) on the ground. OS maps are available at 1:50 000 and 1:25 000 scales and cover the whole of the British Isles. Harvey maps ...

You can choose the scale, orientation and size that suits you. Mountain Rescue endorsement: OS Maps is the only navigation ...