Filament Remaining Calculator

Put the spool on a kitchen scale, enter the weight — and see how much filament is left in grams and meters. Empty spool weights for popular brands are prefilled.

what the scale shows

Empty spool weights are community averages (±10 g). Cardboard and older batches may differ — if unsure, weigh an empty spool once and enter it manually.

Calculated in your browser, nothing is sent anywhere.

More than one tool

3D Print Pricing is a cost calculator, order tracker, warehouse and document generator built for 3D printing workshops. This is just one of the free tools.