Rebar Weight Chart (With FREE Calculator)

What is rebar?

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Rebar is the common name of ribbed steel bar, including hot-rolled ribbed steel bar and cold-rolled ribbed steel bar.

The grade of rebar is composed of HRB and the minimum yield point of rebar, which is divided into three grades: HRB335, HRB400 and HRB500.

For seismic reinforcement grade, “E” is added after ordinary reinforcement, such as HRB400E.

Since the billet density (7.85g/cm³) used for reinforcement rolling is the same, the theoretical weight of rebars of the same specification is the same regardless of whether the rolling method and grade are the same.

You can use both of our rebar weight calculator or the chart below to get the weight of rebar steel.

Rebar Weight Calculator

 Rebar Weight Chart (Unit: kg/m)

ItemModelUnitWeight
RebarΦ6kg/m0.222
RebarΦ8kg/m0.395
RebarΦ10kg/m0.6169
RebarΦ12kg/m0.888
RebarΦ14kg/m1.21
RebarΦ16kg/m1.58
RebarΦ18kg/m2
RebarΦ20kg/m2.47
RebarΦ22kg/m2.98
RebarΦ25kg/m3.85
RebarΦ28kg/m4.83
RebarΦ32kg/m6.31
RebarΦ36kg/m7.99
RebarΦ40kg/m9.87
RebarΦ50kg/m15.42
MS HR round wire rodΦ5.5kg/m0.187
MS HR round wire rodΦ6.0kg/m0.222
MS HR round wire rodΦ6.5kg/m0.26
MS HR round wire rodΦ7.0kg/m0.3019
MS HR round wire rodΦ7.5kg/m0.3469
Steel Strand for Prestressed Concrete(1×2)10kg/km310
Steel Strand for Prestressed Concrete(1×2)12kg/km447
Steel Strand for Prestressed Concrete(1×3)10.8kg/km465
Steel Strand for Prestressed Concrete(1×3)12.9kg/km671
Steel Strand for Prestressed Concrete(1×7)Standard9.5kg/km432
Steel Strand for Prestressed Concrete(1×7)Standard11.1kg/km580
Steel Strand for Prestressed Concrete(1×7)Standard12.7kg/km774
Steel Strand for Prestressed Concrete(1×7)Standard15.2kg/km1101
Steel Strand for Prestressed Concrete(1×7)Drawing Type12.7kg/km890
Steel Strand for Prestressed Concrete(1×7)Drawing Type15.2kg/km1295
Indented wire5kg/km0.016

Note:

(1) Theoretical weight calculation formula of rebar: theoretical weight (kg/m) = 0.00617 × D² (where, D is the section diameter, unit: mm)
(2) The density is calculated as 7.85g/cm³;
(3) The theoretical weight of hot-rolled ribbed bars, cold-rolled ribbed bars, HRB335, HRB400, HRB500 and other deformed bars of different classifications is the same.
(4) The theoretical weight calculated by the formula is different from the actual weight, and the error is generally about 0.2% ~ 0.7%, which can only be used as a reference for estimation.

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