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3D Print Cost Calculator

A 3D print cost calculator multiplies filament grams by price per kilogram, then adds electricity as printer watts × hours × the local kWh rate. Slicer comments such as filament used [g] can be read in the browser. Marketplace fees are omitted because they drift.

Quick Summary & Direct Answer
Making

How is 3D print cost calculated?

Filament cost is grams / 1000 × price per kg. Electricity is (watts / 1000) × hours × kWh rate. A 48 g PLA part at $20/kg on a 120 W printer for 3.5 h at $0.15/kWh is about $0.96 filament plus $0.06 power.

Key Takeaways

  • Electricity is a user rate, not a live utility tariff.
  • G-code is parsed locally for common Cura, Prusa, and Bambu comments.
  • Labour, failure reprints, and marketplace fees are left out on purpose.
  • India, US, and other currencies work as long as price and kWh use the same unit.

Print cost

1.02

Filament0.96
Electricity0.06
kWh0.42
Extra0

Results can be wrong. This calculator is unofficial. Figures can be incomplete, rounded, or not updated. Use them at your own risk and check a tape, datasheet, ball band, or official chart before cutting, mixing, buying, or publishing. G-code is read from slicer comments only, not a full toolpath. Nameplate watts overstate average draw after the bed is hot. Limits of liability are in the terms of service.

Frequently asked questions

If the file contains filament used [g] or filament used [mm], those comments are used. Binary .3mf packages without a text g-code part cannot be parsed here.

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Publisher notes · reviewed 29 October 2026

Cost is mass plus energy, not a marketplace fee

Filament cost is grams/1000 × price per kg. Electricity is watts/1000 × hours × kWh rate. Slicer comments such as filament used [g] are read locally. Etsy-style fees are omitted because they change.

Nameplate watts

A 120 W printer does not draw 120 W for the whole job. Treat electricity as a ceiling unless a meter is used.

Worked examples

  • 48 g at $20/kg, 3.5 h, 120 W, $0.15/kWh

    Filament $0.96, power about $0.06, total about $1.02 before extra.

Limits of this page

  • Failed prints are extra jobs.
  • Binary 3mf without a text g-code part cannot be parsed.

Sources