The Empty Spool

Know your spool. Know your filament.

KI

Kingroon

kingroon.com

Empty Spool Weights 2 variants

Spool Empty weight Filament Notes
1 kg Cardboard ๐Ÿ“ท Photo โ†— 154 g 1 kg Basic PLA spool, 203 mm across; 154 g on the scale in the linked photo (2025), replacing an uncited 155 g
1 kg Plastic 166 g 1 kg 135โ€“175 g reported; the lightest (135 g in 2024, 142 g in 2026) may be a newer spool

Community-reported values. Weigh yours for precision. Click a row to use it in the calculator.