Converting Different diameter reinforcement steel bar into Tons is very important.

- It assist in buying of Reinforcement because all reinforcement are being purchase in Tons.
- It also help you in evaluating the exact amount to be paid to the Iron Bender.

Density = Mass/Volume

Density of steel = 7900kg/m^{3}

Length of steel = 12m (standard 11.8m)

**Tons for ****8mm**** diameter steel bar**

Volume = 22/7 * r^{2} * h

= 22/7 * 0.004^{2} * 12

= 0.000603m^{3}

Mass = density * volume

= 7900 * 0.000603

= 4.77kg OR 0.00477tons

One 8mm reinforcement bar = 0.00477tons

**Tons for ****10mm**** diameter steel bar **

Volume = 22/7 * 0.005^{2} * 12

= 0.000943m^{3}

Mass = 7900 * 0.000943

= 7.45kg OR 0.00745tons

One 10mm reinforcement bar = 0.00745tons

**Tons for ****12mm**** diameter steel bar **

Volume = 22/7 * 0.006^{2} * 12

= 0.00136m^{3}

Mass = 7900 * 0.00136

= 10.73kg OR 0.01073tons

One 12mm reinforcement bar = 0.01073tons

**Tons for ****16mm**** diameter steel bar **

Volume = 22/7 * 0.008^{2} * 12

= 0.00241m^{3}

Mass = 7900 * 0.00241

= 19.07kg OR 0.01907tons

One 16mm reinforcement bar = 0.01907tons

**Tons for ****20mm**** diameter steel bar **

Volume = 22/7 * 0.01^{2} * 12

= 0.00377m^{3}

Mass = 7900 * 0.00377

= 29.79kg OR 0.02979tons

One 20mm reinforcement bar = 0.02979tons

**Tons for ****25mm**** diameter steel bar **

Volume = 22/7 * 0.0125^{2} * 12

= 0.00589m^{3}

Mass = 7900 * 0.00589

= 46.55kg OR 0.04655tons

One 25mm reinforcement bar = 0.04655tons

**Calculating Total Pieces of Reinforcement bars that will give us a Ton for each of the Diameter**

**210 pieces** of 8mm reinforcement bar will give 1 ton

**134 pieces** of 10mm reinforcement bar will give 1 ton

**93 pieces** of 12mm reinforcement bar will give 1 ton

**52 pieces** of 16mm reinforcement bar will give 1 ton

**34 pieces** of 20mm reinforcement bar will give 1 ton

**21 pieces** of 25mm reinforcement bar will give 1 ton

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Conversion of different Diameter Reinforcement Steel Bars to Tons

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very usefully

Please how did you get your r2?

That’s the radius of each of the reinforcements, converting it to meter(m)

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