Filament Cost Calculator
Work out the material cost per 3D print or per spool from filament weight and price with this free filament cost calculator in your browser.
100% FreeRuns in your browserBasic
Enter Values
Minimum 0
Enter your values and press Calculate to see results.
How to use this calculator
- Enter the grams of filament used and the spool price.
- Adjust spool weight if not 1 kg.
How it works
Cost = spool price ÷ spool weight × grams used.
Worked example
300 g from a $25 / 1 kg spool. = $7.50.
Common mistakes
- Forgetting failed prints and purge/waste filament.
- Leaving out electricity and printer wear for a true job cost.
Frequently asked questions
Does this include power and labour?
No — it's material only. Add electricity, machine time and a failure allowance when quoting jobs.
Related tools
- Filament Weight Calculator
- 3D Print Cost Calculator
- Infill Material Volume Calculator
- 3D Print Energy Cost Calculator
- Filament Length & Weight Calculator
- Filament Remaining Calculator
Explore more in 3D Printing & Fabrication.
Cite this tool
Zerdly. (2026). Filament Cost Calculator. Retrieved from https://www.zerdly.com/tools/filament-cost-calculator/
Tip: Enter any known values to calculate the remaining results.
All calculations run in your browser. Your inputs are never saved or transmitted.