Rebar Size Chart Reference
Nominal diameter, cross-section area As and mass per metre for every reinforcing bar size across four standards - EN 10080 / Eurocode 2, ASTM A615/A706, TCVN 1651 / TCVN 5574 and BS 4449. Each bar page also gives the total steel area for 1-10 bars and the area per metre of width at common spacings.
EN 10080 / Eurocode reinforcement
European ribbed reinforcing bar (EN 10080), grade B500A/B/C, used with Eurocode 2 (EN 1992-1-1). Diameters 6-40 mm.
11 bar sizes to EN 10080 / EN 1992-1-1
TCVN 1651 / TCVN 5574 reinforcement
Vietnamese ribbed reinforcing bar (TCVN 1651-2), grades CB300-V/CB400-V/CB500-V, used with TCVN 5574. Diameters 6-40 mm.
13 bar sizes to TCVN 1651-2 / TCVN 5574
ASTM A615 / A706 reinforcement
US deformed reinforcing bar (ASTM A615 / weldable A706), sizes #3-#18. Areas are the standard's tabulated nominal values, imperial-primary.
11 bar sizes to ASTM A615 / A706 (Table 1)
BS 4449 reinforcement
UK reinforcing bar (BS 4449:2005), Grade B500A/B/C high-yield "H" bars, BS 8666 preferred sizes 8-40 mm.
8 bar sizes to BS 4449:2005