The length is measured from the center back at the waist to the hem of the lining layer.
The Petite is 19½" in length and - on most women - hits above or at the knee.
The Original is 23½" in length and - on most women - hits slightly below the knee.
Please note that the Wrap Skirt hem is slightly higher in the front than the back. It ranges from 1-2" depending on how much overlap you have when the skirt is wrapped.
The model in these photos is 5'11" in height.
If you have any questions about sizing please email firstname.lastname@example.org and we would be happy to help you choose the best size for you.