To find how far an inch is on a map, look for the map scale. It will indicate how many miles is in an inch.
You would look at the scale on the map.
In the key
Map scale
The key.
The map scale is usually located in the legend box of a map.
on the map itself it usually says how much an inch is. usually in the lower right corner.
To find out how far an inch on a map represents in actual distance, you would need to look for the map's scale. The scale of a map indicates the ratio between a unit of length on the map and the corresponding distance on the ground. Typically, the scale is provided in the map's legend or key. By using this scale, you can calculate the actual distance represented by an inch on the map.
look at a map and you will find out
You can look at the top of the page on any map, it will show a graph indicating the ratio of inches to miles and/or km.Look for a graph resembling a ruler. It will give you the ratio of inches to miles/km. It is usually located in a small "box" (called the legend) in a corner of the map.
it's called a scale
if you look on page 43 you should find a ruler and everything will be clearer now :-D
there should be a key on the map and that is most likely where you can find that info. : )