3D Print vs Injection Moulding Cost Calculator
Instantly compare manufacturing costs, find your exact break-even point, and choose the most cost-effective production method for your project volume.
Calculate Your Production Costs
Enter your projected production volume and estimated costs for both 3D printing and injection moulding. The calculator instantly compares total expenses and identifies your optimal manufacturing method.
Cost Comparison Calculator
Compare setup fees and per-part costs to find your break-even point.
Understanding the Costs
Key factors that influence your manufacturing decision
Tooling vs No Tooling
Injection moulding requires expensive custom steel or aluminium moulds. 3D printing builds parts directly from digital files, eliminating tooling costs entirely.
Economies of Scale
As volume increases, the high fixed cost of a mould is spread across more units, making the per-part cost of injection moulding plummet compared to 3D printing.
Hidden Costs to Consider
Ensure your “cost per part” inputs include post-processing (support removal, sanding, painting), material waste, and machine depreciation for an accurate comparison.
Lead Time & Flexibility
While injection moulding wins on high-volume cost, 3D printing offers faster initial lead times and allows for cheap, instant design iterations before committing to a mould.
Manufacturing Method Comparison
Generalised benchmarks to help you understand the broader operational differences between the two processes.
| Metric | 3D Printing | Injection Moulding | Advantage |
|---|---|---|---|
| Low setup, high per-part cost | High setup, very low per-part cost | Depends on volume | |
| Hours to days (no tooling) | Weeks (for mould fabrication) | 3D Printing (Initial) | |
| High design freedom, complex geometries | Design constrained by mould draft angles | 3D Printing | |
| Visible layer lines, may require finishing | Excellent surface finish straight out of mould | Injection Moulding | |
| Instant, cost-free design changes | Design changes require costly mould modifications | 3D Printing |
Manufacturing Calculator FAQ
Answers to the most frequently asked questions about choosing between 3D printing and injection moulding.
The calculator compares the total cost of 3D printing (setup cost + cost per part × quantity) against injection moulding (mould setup cost + cost per part × quantity). It also calculates the exact break-even point where injection moulding becomes the more economical choice.
This depends on your specific part geometry and material. However, as a general rule, injection moulding becomes more cost-effective at volumes between 500 and 1,000+ units, as the high initial mould cost is amortised over many parts.
Include any one-time setup or file preparation fees, and the fully loaded cost per part. The per-part cost should account for material, machine time, labour, and post-processing like support removal or sanding.
The calculator uses your inputted ‘cost per part’ figures. To ensure an accurate comparison, make sure the per-part cost you enter for both methods reflects the same or functionally equivalent material specifications.
Yes, the underlying mathematical formula (Fixed Cost + Variable Cost × Volume) applies to any manufacturing comparison, including Metal 3D Printing (DMLS/SLM) vs Metal Injection Moulding (MIM). Just ensure your inputted costs reflect the specific metal processes.