Calculate weight of steel bars, pipes, plates, and tubes by shape and length.
Results
The BlocksRound bar: area = π/4 × d²Pipe: area = π/4 × (OD² − ID²)Plate: area = width × thicknessSquare tube: area = outer² − inner²weightPerFt = area(in²) × 490 lb/ft³ / 144#4 Rebar (50 bars × 20 ft)
0.5" diameter round bar, 20 ft length, 50 pieces
area = π/4 × 0.25 = 0.196 in²weightPerFt = 0.196 × 490 / 144 = 0.668 lb/ftperPiece = 0.668 × 20 = 13.4 lbtotal = 13.4 × 50 = 668 lb