Does the Yardage Chart Convert That to Bedsheets?

The new Vogues are out.  Here's an offering from Chado Ralph Rucci, Vogue 1181:

And here's one from Koos Van Den Akker, Vogue 1187:

Me?  I just think if you're going to go caftan, GO CAFTAN!  Tell us what size bedsheet to use to make either of these baggy beauties and we'll be good to go!