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

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## Iron Weight Formulas

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

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

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

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

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

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

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

Iron 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.

## What is the density of Iron?

The average density of Iron is 0.284466297 lbs/in^3.