Now moved to https://github.com/emptyspool/emptyspool.github.io/
Useful to work out how much filament is left on the spool.
samster395.github.io/empty_spool/
The wiki that used to hold this data is no longer available, luckily Greenonline on stack exchange posted the table, I used that to make this page that is searchable etc.
Weigh it when it's empty and submit an issue with the spool addition label and I'll add it.