Rebar Weight Calculator & Size Chart

Rebar weight ranges from 0.376 lb/ft (#3) to 13.6 lb/ft (#18) under ASTM A615. A #4 bar (½″) weighs 0.668 lb/ft.

Rebar Size	Nominal Diameter (in)	Unit Weight (lb/ft)	Nominal Mass (kg/m)
#3	0.375	0.376	0.560
#4	0.500	0.668	0.994
#5	0.625	1.043	1.552
#6	0.750	1.502	2.235
#7	0.875	2.044	3.042
#8	1.000	2.670	3.973
#9	1.128	3.400	5.060
#10	1.270	4.303	6.403
#11	1.410	5.313	7.906
#14	1.693	7.650	11.38
#18	2.257	13.600	20.24

🔩 Reinforcing Bar Profile Blueprint

Calculation Results

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Wikipedia Rebar Definition & Specifications: Wikipedia Rebar Definition & Specifications View Standard
ASTM A615 Carbon-Steel Reinforcing Bars Standard: ASTM A615 Carbon-Steel Reinforcing Bars Standard View Standard