Xl = -10+50 = 40
40
The Roman numerals of XL stand for 50-10 = 40
The Roman numerals of XL represent 50-10 = 40
550Improved Answer:-XL = 40
XL = 40
As a Roman numeral XL is the equivalent of 40
XL,Extra large. usually 14-16
A US Women's size XL is about a 14-16.
XL is the size they use a band that forms to your waist so they only have letter sizes
the abbreviations are basically universal XL means Extra Large
XL is the first two letters in the model code for a Sportster.