Table of Contents
What does the scale 1 250000 mean on a topographic map?
Small-scale maps (1:250,000 and smaller) show large areas on a single map sheet, but details are limited to major features boundaries, State parks, airports, major roads, and railroads. USGS Topographic Maps. Scale. 1 :20,000.
How many Centimetres would 1km be represented by on a 1 25000 scale map?
A map has a scale of 1:25000. This means that 1 cm on the map is 25000 cm in real life, which is 250 m or 0.25 km. It is also useful to note that if 1 cm is 0.25 km, then 4 cm will represent 1 km in real life.
What does a map scale of 1 25000?
There is a standard ratio format for map scales e.g. “1: 25,000”. The first number is the unit on the map and the second number is the distance in real life of the same unit so 1: 25,000 means that 1cm on the map corresponds to 25,000 cm on the ground. This means that 2.5 cm is equal to 500 km.
What does a scale of 1 24000 mean on a topographic map?
The map scale is printed in the map legend. It is given as a ratio of inches on the map corresponding to inches, feet, or miles on the ground. For example, a map scale indicating a ratio of 1:24,000 (in/in), means that for every 1 inch on the map, 24,000 inches have been covered on the ground.
Is 1 24000 a large or small scale?
As a fraction, 1:24,000 is bigger than 1:250,000, so the 1:24,000 map is a larger scale map than the 1:250,000 map.
How do you calculate scale distance?
If you used a bit of string, measure the string to get a distance in cm. Now, you need to multiply that distance by the map scale, and convert that to meters or kilometres….Examples:
| Multiply distance by scale 12.8cm x 50,000 = | 640,000 cm |
|---|---|
| Convert to meters 640,000 / 100 = | 6,400 m |
| Convert to km: 6,400 / 1,000 = | 6.4 km |
What type of scale is used on a Toposheet?
For USGS topographic maps, 1:24,000 is the scale most often used. Maps based on metric units use a scale of 1:25,000, where one centimeter equals 0.25 kilometers. You’ll find most of the United States mapped at the 1:24,000 scale, with only a few exceptions.
What is use to measure distance?
The meter is the standard measure of distance in metric units.