Size: s/m
Length: 56 cm (22 inch)
Width measured at the bottom: 58 cm (23 inch)
Width measured at the hips: 43 cm (17 inch)

This midi skirt is a low waist model, with a narrow drawstring at the top, for a good fit.

Change the size:
Of course you can change the length of the skirt. Note that you have the change the length in the beginning at the bottom of the skirt, in order to keep the right proportion.
You can also enlarge the size of the skirt (width) by adding an extra wave to the pattern, you have to add 8 stitches to the rows.