Hey there, appears there has been a bug with the conversion. We are looking into it. Apologies for the inconvenience.
This thread was added on September 27, 2021, with posts from JagexCam.
Original Post
https://i.gyazo.com/f0f304208855a84e7c5c8e704efd7bb1.png
Hey, we've believe we have found the bug that caused this and are looking to deploy a fix which should give you the correct oddments soon. Apologies for this.