The Russian Tortoise 
Agrionemys horsfieldii ( Testudo horsfieldii)  

Measuring a Tortoise

When measuring a tortoise, what you want to measure is called the "Straight Carapace Length" or SCL. Following is an example of how to do this. Personally I use a caliper and measure in centimeters. But you can measure in inches as well.


click on the photo to view it full size

Put a ruler up against a wall. 



Step 2:
put the tortoise on the ruler with the front of the shell against the wall.


measure 2

Put a board against the back of the tortoise perpendicular to the ruler.


Step 4.
Remove the tortoise and read the measurement. This one is 5 1/8" long.

measure 4



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