How big is the Ellie smart pill box? Regina Vatterott September 20, 2018 16:27 Updated 196 mm x 104 mm x 29.5 mm--slightly bigger than a TI-83 graphing calculator. Related articles Is this the only size available? How many pills can Ellie hold? How do I clean Ellie? How do I open the Ellie pill box correctly? Can I pay with an FSA/HSA card? Comments 0 comments Please sign in to leave a comment.