Metal weight

Rebar weight table

Rebar (B500, BST500S) is used to reinforce concrete. It is usually sold in 12 m bars or coils. Below is the theoretical weight of 14 common sizes, in steel with a density of 7.85 g/cm³.

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SizeArea cm²kg/m12 m barm/tonne
Rebar Ø60.280.2222.7 kg4,505
Rebar Ø80.500.3954.7 kg2,534
Rebar Ø100.790.6177.4 kg1,622
Rebar Ø121.130.88810.7 kg1,126
Rebar Ø141.541.20814.5 kg828
Rebar Ø162.011.57818.9 kg634
Rebar Ø182.541.99824.0 kg501
Rebar Ø203.142.46629.6 kg405
Rebar Ø223.802.98435.8 kg335
Rebar Ø254.913.85346.2 kg260
Rebar Ø286.164.83458.0 kg207
Rebar Ø328.046.31375.8 kg158
Rebar Ø3610.187.99095.9 kg125
Rebar Ø4012.579.865118.4 kg101

Calculation formula

kg/m = d² × 0.006165 (0.00617 rounded), where d is the nominal diameter in mm.

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Other tables

HEA sectionHEB sectionHEM sectionIPE sectionINP sectionUPN sectionUPE sectionRound tubeSquare tubeRectangular tubeSteel sheetRound barSquare barHexagon barFlat barEqual angleUnequal angleT section