Steel rebar is important in stabilizing concrete. It comes in varying diameters.
|
Rebar Size
|
Diameter in Inches
|
Alternative Expression
|
|
2
|
0.250
|
0.125 * 2
|
|
3
|
0.375
|
0.125 * 3
|
|
4
|
0.500
|
0.125 * 4
|
|
5
|
0.625
|
0.125 * 5
|
|
6
|
0.750
|
0.125 * 6
|
|
7
|
0.875
|
0.125 * 7
|
|
8
|
1.000
|
0.125 * 8
|
|
9
|
1.128
|
0.1253 * 9
|
|
10
|
1.270
|
0.1270 * 10
|
|
11
|
1.410
|
0.1282 * 11
|
volume of a piece of rebar in cubic inches =
= PI() * (((diameter in inches) / 2)^2) * (length in inches)
weight of a piece of rebar in pounds =
= (volume cubic inch) * (density of the steel in lbs per cubic inch)
The density of steel may vary but is in the order of 0.25 to 0.29 lbs per cubic inch
