Metal AM Powder Calculator
Calculate metal powder usage, recyclable powder, and cost for DMLS/SLM additive manufacturing.
Inputs
%
Results
Part weight (g)
44.3
Net powder consumed (kg)
4.18
Powder cost ($)
$1,254.58
≈ 10 pairs of sneakers
Support weight (g)13.3
Total sintered (g)57.6
Recyclable powder (g)4,124
Buy-to-fly ratio94.4
Sintered Weight Kg0.06
How to Use This Calculator
- Enter Part volume (cm³), Support volume (cm³), and Material (1-4).
- Set Powder recycle rate (%) and Build height (mm).
- Review Part weight (g), Net powder consumed (kg), and Powder cost ($) ($).
- Use Support weight (g) and Total sintered (g) to inform your decision.
How the result changes with Part volume (cm³)
| Part volume (cm³) | Part weight (g) | Net powder consumed (kg) | Powder cost ($) |
|---|---|---|---|
| 1,000 | 4,430 | 6.37 | $1,912.43 |
| 3,500 | 15,505 | 15.52 | $4,655.49 |
| 6,500 | 28,795 | 28.81 | $8,642.49 |
| 9,000 | 39,870 | 39.88 | $11,964.99 |
What each input means
- Part volume (cm³)
- Volume of the final part in cubic centimeters from CAD.
- Support volume (cm³)
- Volume of support structures. Typically 20-50% of part volume for complex geometries.
- Material (1-4)
- 1 = Ti-6Al-4V (4.43 g/cm³), 2 = SS 316L (7.99), 3 = AlSi10Mg (2.67), 4 = Inconel 718 (8.19).
- Powder recycle rate (%)
- Percentage of un-sintered powder that can be reused. Typically 40-70% depending on material and sieve quality.
- Build height (mm)
- Height of the build in the powder bed (Z dimension). Affects total powder volume needed.
What each result means
- Part weight (g)
- Weight of the finished part.
- Support weight (g)
- Weight of support structures that will be removed.
- Total sintered (g)
- Total weight of material fused by the laser.
- Net powder consumed (kg)
- Virgin powder consumed after accounting for recycling.
- Recyclable powder (g)
- Amount of un-sintered powder that can be reused.
- Powder cost ($)
- Cost of net powder consumed at current material pricing.
- Buy-to-fly ratio
- Ratio of total powder consumed to final part weight. Lower is more efficient.
How this is calculated
Worked example, using the default values
- Identify Input Parameters4 parametersPart volume (cm³) = 10, Support volume (cm³) = 3, Material (1-4) = 1, Powder recycle rate (%) = 50 = 5 input(s) provided
- Calculate Part weightPart weight = partVolumeCm3 * mat.density44.3 = 44.3
- Calculate Net powder consumedNet powder consumed = netPowderConsumedG / 10004.18 = 4.18
- Calculate Powder costPowder cost = netPowderConsumedKg * mat.costPerKg1254.58 = $1,254.58
- Calculate Support weightSupport weight = round((supportVolumeCm3 * mat.density) * 10) / 1013.3 = 13.3
- Calculate Total sinteredTotal sintered = totalSinteredVolume * mat.density57.6 = 57.6
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