Pretty darn accurate. Try measuring something for yourself that you know the length of--it can get it almost exactly.
The Google Earth ruler is not accurate over long distances (e.g. > 5,000 km)
The official stance from Google is that it "makes no claims as to the accuracy of the coordinates in Google Earth. These are provided for entertainment only and should not be used for any navigational or other purpose requiring any accuracy whatsoever".
Check out the related link below to find help using the Ruler Tool in Google Earth.
Google Earth is useful if you wish to locate a specific place anywhere on the Earth. The images are accurate but not live.
try out the ruler on google earth
Google Driving Directions are 90% accurate.
A caliper is more accurate.
GOOGLE EARTH RULER = LITTLE MORE THAN 2.000 kms
In line mode the ruler is drawn as great circles (shortest possible path), which should be as a "crow flies". The ruler in Google Earth allows measurement of distances for a straight line or paths. Note for large distances (e.g. > 2000 miles) lines are drawn different than the lat-lon grid lines in Google Earth.
With a ruler.
a ruler or steel tape is more accurate becoz meter scale works less than ruler
4890 miles. You can get these distances on Google Earth. Click on Tools, then Ruler
8320 miles. You can get these distances on Google Earth, click on Tools and then Ruler
Google music search is very accurate. It is because it is owned by Google and Google is known to have the best technology and programming in the world.