This is lifted from ‘So you have run out of …’ thread by (@gondolin).
3D Printing Canada Euro Line Spool: 225g (@Keith )
3D Printing Canada NEAT Line Early 2020 Spool: 240g (@Keith )
3D Printing Canada Standard Line Spool 240 g ( @Keith )
3D Printing Canada Value Line Early 2020 Spool: 230g (@Keith )
3D Printing Canada Value Line Late 2020 Spool: 230g (@Keith )
Amz3d 224g (@mobiobi )
Canadian Maker 328 g (Kitedemon)
Creality 200g Spool: 104g (@Keith)
Dupont Clear 1kg 360g (@Amiro62)
Esun Black 0.5kg 212 g (@Amiro62)
eSun Clear 210 g ( Thanks to @Amiro62)
eSun Black 230 g (@Amiro62)
eSun Clear .5kg 203g (@Amiro62)
eSun Nylon, CF-Pa Spools, Clear w/Bolt together : 220g (@Keith )
Eurekatec (3d printed-laser cut mdf) 242g (@kitedemon )
Geeetech 182 g black (Kitedemon)
Geeetech 233gm ‘cubes pattern’ (@Keith)
Hello3D (rainbow label) 210g (kitedemon)
MG Chemicals Black “Narrow” 1Kg: 239g (@Keith )
MG Chemicals Black “Wide” 1Kg: 250g (@Keith )
MG Chemicals Black 200G: 136g (@Keith )
MG Chemicals Cardboard 1Kg: ~150g (@Keith )
Nefila “Recycled filament” reusable Spool: 130g (@Keith )
Priline 206 g (Kitedemon)
Sakata Clear Spool: 240g (@Keith )
Sakata Grey Spool: 205g (@Keith )
Solutech black spool: 218g (@kitedemon)
SunLu Black 1Kg: ~220g (@Keith )
SunLu Clear “Lightweight” 1Kg: 139g (@Keith )
True Food safe PLA (3dpn) 250g (Kitedemon)
Hopefully we can keep adding weights. It might help others to figure how much filament is left on a roll.