Select the shape of the Metal and enter the required variables. The calculator will evaluate and display the Metal weight.

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## Metal Weight Formulas

The following formulas are used to calculate the weight of Metal in different shapes.

Metal Flat Sheet Weight Formula = L * W * H * d

Metal Round Bar Weight Formula = pi * D^2/4 * L * d

Metal Square Hollow Tube Weight Formula = [W^2-(W-T)^2] * L * d

Metal Round Hollow Tube Weight Formula = pi * (R^2-r^2) * L * d

Metal Square Angle Weight Formula = [W^2-(W-T)^2]/2 * L * d

Metal T bar Weight Formula = (W*T – (H-T)*T)* L * d

Metal C Channel Weight Formula = (2*W*T1+H*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 units used in all calculations on the calculator are inches for lengths and lbs/in^3 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 lbs/ft^3 or mass/ft^3.