The scale 1: 25,000 on the map could also be given as 4 cm to 1 km. Maps are made at different scales for different purposes. Eg, a 1 : 25,000 scale map is useful for walking as it shows greater ...

A measurement-based scale, eg where 1 cm represents 50 km. A ratio scale in the form 1 : 𝑛, eg the ratio 1 : 30,000 means that every centimetre on the map represents 30,000 cm in real life.