* US Women's Dress Size: A size 34 is a 14 in US sizing.
* US Women's Pants Size: A size 34 is a size 14 in US sizing.
* European Women's Dress Size: A size 34 is a size 10 in European sizing.
* European Women's Pants Size: A size 34 is a size 34 in European sizing.
Please clarify what type of size you're asking about so I can provide you with the correct information.