Transport & Manufacturing
3D Printing Infill Density to Part Weight & Filament Grams Sizer
Calculate 3d printing infill density to part weight & filament grams using the stated engineering or scientific relationship and adjustable field inputs.
Preparing your result…
What this calculator does
Calculates 3D Printing Infill Density to Part Weight & Filament Grams Sizer using the formula verified against the cited source.
What your result means
An estimate from the inputs you enter, within the scope stated below — not advice.
Formula
Mass = model volume × [shell fraction + (1 − shell fraction) × infill fraction] × material density
The step-by-step working for your own numbers appears with the result above and in the PDF report.
Frequently asked questions
Symbols and assumptions
- Inputs
- The values entered in the fields above
- • Ideal shell/infill mass=actual model envelope volume×[shell fraction+(1−shell fraction)×infill fraction]×material density. Both fractions are0–1, and shell fraction is referenced to the full model volume.
Sources and review
Reviewed 2026-10-18 · Next review 2027-04-18
- • The original shell+infill expression double counts the shell region at high infill. Replace bounding-box volume with actual model volume and define solid top/bottom/shell share. Supports, brim, purge and overlap are extra; actual material usage needs sliced geometry and material density.100% infill must not exceed full-solid mass in this ideal model.
Important limitation
This is an educational estimate based only on the values and formula shown. Verify current rates, rules, units, and professional standards before relying on the result. It is not personalized financial or investment advice.
Quick reference
| Scenario | Actual model volume (not bounding box) (cm³) | Solid shell/top/bottom share of volume (%) | Infill density (%) | Estimated part mass |
|---|---|---|---|---|
| Worked example | 50 | 30 | 20 | 27.28 g |
| Half the amounts | 25 | 15 | 10 | 3.6425 g |
| Double the amounts | 100 | 60 | 40 | 188.48 g |
Need the full picture? Get the detailed PDF report with charts, tables, formulas and working steps.
Reviewed 2026-10-18 · Next review 2027-04-18
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