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#4 Rebar

Made from a sturdy composite of carbon steel, #4 rebar is a commonly used high-grade reinforcement product with widespread applications in the residential and light commercial construction industries. In particular, #4 reinforcement steel is used to pave roads and highways, and in certain climates, it can also be used to build swimming pool frames. Often trusted as a strengthening material in slabs, piers, columns and walls, #4 rebar is known as “13MM” in the metric system.

The physical characteristics of #4 rebar are as follows:

  • Weight per unit length: 0.668 pounds per foot (0.996 kilograms per meter)
  • Nominal diameter: 0.5 inches (12.7 millimeters)
  • Nominal area: 0.2 square inches (129 square millimeters)
Imperial Bar Size"Soft" Metric SizeWeight per unit length (lb/ft)Mass per unit length (kg/m)Nominal Diameter (in)Nominal Diameter (mm)Nominal Area(in2)Nominal Area (mm2)
#4 #13 0.668 0.996 0.500 = ½ 12.7 0.2 129

At Harris Supply Solutions, we continually strive to ensure that our product offerings reflect the latest technological developments and construction industry trends. Our focus is on providing our valued customer base with the reliable, strong and high-quality industrial reinforcement products they need to deliver on their construction quality promises.

We serve customers across the nation through an efficient hub of regional supply and service centers. If you would like to inquire about the suitability of a given rebar product for your intended application, or require a quote, please contact our sales team.

#4 Rebar Frequently Asked Questions

Q. What size is #4 rebar?

A.   ½”

Q. What is the diameter of #4 rebar?

A. 0.50 inch or 12.7 millimeters

Q. What is the weight of #4 rebar?

A. 0.668 lbs per ft.

Q. What is the price of #4 rebar?

A. Price will vary with supply/demand and market locatio. Contact us for more information.

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