Calculate ABS plastic weight from dimensions for sheets, rods, round or square tubes, angles, T-bars and C-channels, using a typical 1.04 g/cm³ density.
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ABS Weight Formulas
The following formulas are used to calculate the weight of ABS in different shapes.
ABS Flat Sheet Weight Formula = L * W * T * d
ABS Round Bar Weight Formula = pi * D2/4 * L * d
ABS Round Hollow Tube Weight Formula = pi * (R2-r2) * L * d
Variables used in these equations:
- L is the length
- W is the width
- d is the density
- D is the diameter
- T is the thickness
- R is the outer radius
- r is the inner radius
The calculator converts each dimension to meters and density to kg/m³ internally. Dimensions accept inches, feet, millimeters, centimeters, or meters. Optional density accepts lb/in³, g/cm³, or kg/m³; blank uses an approximate 1.04 g/cm³. Mass results accept lb, kg, g, or oz. All equations use consistent units.
What is the density of ABS?
A reference density for standard ABS is approximately 1.04 g/cm³ (1040 kg/m³), as listed for Ensinger TECARAN ABS grey. Density varies by grade and additives; use your supplier’s value when available.
