To calculate the weight of the rebars, you need to provide the following information:

1. Length of Rebar (L) – The length of each rebar.
2. Diameter of Rebar (D) – The diameter of the rebar.
3. Number of Rebars (N) – The total number of rebars.

Step 1: Calculating the Weight of a Single Rebar

To calculate the weight of a single rebar, we need to determine its volume and then multiply by the density of steel (typically 490 lb/ft³ or 7850 kg/m³).

Formula for Volume of a Single Rebar:

The volume of a single rebar is calculated using the formula for the volume of a cylinder:

$V_{\text{single}}=\pi {\left(\frac{D}{2}\right)}^2\times L$

Where:

• $V_{\text{single}}$​ is the volume of one rebar, ${}_{}$
• D is the diameter of the rebar,
• L is the length of the rebar.

Formula for Weight of a Single Rebar:

The weight of a single rebar $W_{\text{single}}$​ is calculated by multiplying its volume by the density of steel:

$W_{\text{single}}=V_{\text{single}}\times \text{Density}$

Where:

• $W_{\text{single}}$ is the weight of one rebar,
•  $V_{\text{single}}$ is the volume of one rebar,
• Density is the density of steel (typically 490 lb/ft³ or 7850 kg/m³).

Step 2: Calculating the Total Weight of Rebars

Once we know the weight of a single rebar, we can calculate the total weight of all rebars by multiplying by the number of rebars.

Formula for Total Weight of Rebars:

The total weight $W_{\text{total}}$ is simply the weight of a single rebar multiplied by the number of rebars:

$W_{\text{total}}=W_{\text{single}}\times N$

Where:

• $W_{\text{total}}$​ is the total weight of all rebars,
• $W_{\text{single}}$​ is the weight of a single rebar,
• N is the number of rebars.

Step 3: Combining All Formulas

By combining the formulas for volume, weight, and total weight, you can quickly calculate the required values with ease.

Formula for Total Rebar Volume:

To find the total volume for multiple rebars, we can calculate:

$V_{\text{total}}=V_{\text{single}}\times N$

Where:

• $V_{\text{total}}$​ is the total volume of all rebars,
• $V_{\text{single}}$​ is the volume of a single rebar,
• N is the number of rebars.

Final Formula for Total Rebar Weight:

To summarize, the total weight $W_{\text{total}}$ is calculated as:

$W_{\text{total}}=\pi {\left(\frac{D}{2}\right)}^2\times L\times \text{Density}\times N$

Where:

• $W_{\text{total}}$ is the total weight of all rebars,
• D is the diameter of the rebar,
• L is the length of the rebar,
• Density is the density of steel,
• N is the number of rebars.

Conclusion

With the Rebar Weight Calculator, you can easily estimate the weight of rebar for any construction project, making it easier to plan for transportation, handling, and material costs. By simply entering the length, diameter, and number of rebars, you’ll have quick and accurate estimates at your fingertips, streamlining your project planning.