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Filament cost calculator per gram

Pick a material or type your own spool's price and net weight. The calculator gives the price per gram and kilogram, and what the model and its purge cost.

Per gram$0.0150
Per kilogram$14.99
Model$1.80
Purge and supports$0.15
Filament in this print$1.95

Bambu Lab’s list price on its US store, checked on the date in the sources below. Sales and other stores differ; type what you paid.

How it is worked out

The price per gram is the spool’s price over the net filament on it. The model and the purge are each charged at that price, because both came off the same roll.

The spools in the list are at each maker’s US list price on the day in the sources. A spool bought in a sale or a multi-pack costs less per gram; type what you paid.

Materials, by the makers' datasheets

Questions

How do I work out filament cost per gram?

Divide what you paid for the spool by the net filament weight on its label. Do not divide by what the spool weighs on a scale, because that includes the empty spool.

Should I charge for purge and supports?

Yes. A multi-colour print also throws away a purge tower and the flush between colours, and supports go in the bin. All of it came off the same roll, so charge it at the same price per gram as the model.

How much does PLA cost per gram?

PLA Basic lists at $14.99 for 1000 g on Bambu Lab's US store, which is $0.015 a gram. Other makers and materials are on the material pages.Bambu Lab store

Is filament the biggest cost of a print?

On a short PLA print it often is. On a long print, a hot plastic or a hand-finished piece, machine hours, power and labour can each outweigh it, which is why the full cost calculator prices those too.

Read next

Other calculators

Keep these numbers for every print

Printyard runs this arithmetic on your phone at the machine and on the web: every quote itemised, every roll to the gram, and a month with the fees and the failed prints already taken out.

Price your shopDownload on the App Store

Sources