3D print cost calculator
Enter the grams your slicer says a print needs and what you paid for the spool. Tick the box to add the electricity as well.
What does this print cost?
Enter the grams used and the spool price.
This print costs
- Filament
- Electricity
Add the print time, printer power and unit rate to include electricity.
How the cost is worked out
Filament: the grams the print uses, divided by the grams on the spool, times the spool price. A 48 g print from an £18, 1 kg spool costs 48 ÷ 1000 × £18 = 86p.
Electricity: the printer's power in kilowatts, times the hours, times your unit rate. A 100 W printer running for four hours uses 0.4 kWh, about 11p at 26.32p per kWh.
Failed prints, test pieces and the odd bit of wasted filament at the end of a spool all add up, so if you're pricing prints to sell, add a margin on top.
Not sure how much is left on a spool? Weigh it.