Plastic Part Weight Calculator

Calculate plastic part weight from volume and density for solid boxes, solid cylinders, or hollow tubes/pipes. Includes material cost estimate.

Shape (1=box, 2=cyl, 3=tube)

Length (mm)

Width / outer diameter (mm)

Height / wall thickness (mm)

Plastic density (g/cm³)

Quantity

Material cost ($/kg)

Tab to move between fields

Part weight (g)

118.75

Part weight (oz)4.19

Part volume (cm³)125

Total weight (g)118.75

Total weight (kg)0.12

Material cost per part ($)$0.3

Total material cost ($)$0.3

How to Use This Calculator

Enter Shape (1=box, 2=cyl, 3=tube), Length (mm), and Width / outer diameter (mm).
Set Height / wall thickness (mm), Plastic density (g/cm³), and Quantity.
Adjust Material cost ($/kg) as needed.
Review the Part weight (g) result.
Use Part weight (oz) and Part volume (cm³) to inform your decision.

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