dia mm area mm^2 perimeter mm mass kg/m length/tonne

Mass of steel per sq.m in kgSpacing of bars in mm

50 75 100 125 150 1756 28.3 18.8 0.22 4507.7 4.44 2.96 2.22 1.78 1.48 1.278 50.2 25.1 0.39 2535.6 7.89 5.26 3.95 3.16 2.63 2.25

10 78.5 31.4 0.62 1622.8 12.33 8.22 6.17 4.93 4.11 3.5212 113.0 37.7 0.89 1126.9 17.76 11.84 8.88 7.10 5.92 5.0716 201.0 50.2 1.58 633.9 31.57 21.04 15.78 12.63 10.52 9.0220 314.0 62.8 2.46 405.7 49.32 32.88 24.66 19.73 16.44 14.0925 490.6 78.5 3.85 259.6 77.07 51.38 38.53 30.83 25.69 22.02

Mass of steel per sq.m in kgSpacing of bars in mm

200 225 250 275 3001.11 0.99 0.89 0.81 0.741.97 1.75 1.58 1.43 1.323.08 2.74 2.47 2.24 2.064.44 3.95 3.55 3.23 2.967.89 7.01 6.31 5.74 5.26

12.33 10.96 9.86 8.97 8.2219.27 17.13 15.41 14.01 12.84