I think I still cut my ribbon at the same length for the 5/8. Oh! I have a pic somewhere.. let me see for an example of the 5/8 finished.
I am pretty sure this is 5/8. (wanna know what else? It's wired ribbon!.. everyone loves it. I have sold more like this at the craft shows then online) Etsy :: BowsByAmber :: Purple, White, and Blue Striped Woven Headband