Calculate LDPE weight for sheets, rods, or tubes, reverse-solve sheet thickness, convert units, and estimate purchase allowance, cost, and density range.
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LDPE Weight Formulas
The following formulas are used to calculate the weight of LDPE in different shapes.
LDPE Flat Sheet Weight Formula = L * W * T * d
LDPE Round Bar Weight Formula = pi * D^2/4 * L * d
LDPE Square Hollow Tube Weight Formula = [W^2-(W-2T)^2] * L * d
LDPE Round Hollow Tube Weight Formula = pi * (R^2-r^2) * L * d
LDPE Square Angle Weight Formula = (2*W*T – T^2) * L * d
LDPE T bar Weight Formula = (W*T + (H-T)*T)* L * d
LDPE C Channel Weight Formula = (2*W*T1 + (H-2*T1)*T2)* L * d
Variables used in these equations:
- L is the length
- W is the width
- H is the height
- d is the density
- D is the outer diameter
- T is the thickness
- R is the outer radius
- r is the inner radius
- T1 is the channel thickness along the width
- T2 is the channel thickness along the height
The base units used in the calculator are inches for lengths and lb/in³ for density. These can be switched for any equivalent unit as long as the density units are also changed to match. For example, if you change the lengths to feet, the density should be in lb/ft³ (or lbm/ft³).
What is the density of LDPE?
The average density of LDPE is 0.03323711 lbs/in^3.
