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.
You would look for the map's scale, which is typically provided in a legend on the map. The scale will indicate the ratio between a unit of length on the map (such as an inch) and the actual distance it represents in real life. This ratio allows you to convert distances on the map to their real-world equivalents.
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. : )