How to Use the Rebar Weight & Bundle Calculator: A Step-by-Step Guide
We've developed a powerful and highly practical tool—the Rebar (Steel Bar) Weight and Bundle Calculator—to simplify your construction material estimation. This calculator is specially designed for the local context of Nepal and India, supporting common measurement units (feet/inches) and local purchasing units (Bundles).
This guide will walk you through
each step to ensure you get fast, accurate results for your project.
First of all, we all need to know the number of bars provided in one bundle of different bar sizes available in Nepal.
1. Step-by-Step Guide to Using the Calculator
The calculator is based on three
main inputs: Bar Diameter, Total Length, and Quantity.
Step 1:
Select the Bar Diameter
First, you need to select the
diameter of the steel bar you plan to use.
Action: Go to the Diameter in mm
dropdown menu.
Example: If your drawing specifies
12 mm rods, select 12 mm.
Step 2:
Choose Your Length Unit
This is a critical feature. Based
on your project plans, you can choose to input the rod length using Meters or
Feet & Inches.
Action: Look at the Length Unit
Selector and click on either Meter or Feet & Inches.
Note: The calculator will only
display the input boxes relevant to your selected unit, ensuring a clean
interface.
Step 3: Enter
the Total Length
Enter the total length of a single
rod according to the unit you selected in Step 2.
If you chose 'Meter': Enter the
length in the box labeled Total Length - in Meters (e.g., 12.5).
If you chose 'Feet & Inches':
Enter the whole number of feet in the Feet box (e.g., 41) and any remainder in
the Inches box (e.g., 0 to 11.99).
Step 4: Enter
the Number of Bars (Quantity)
Enter the total count of bars you
need for your construction element (beam, column, slab, etc.).
Action: Enter the count in the
Number of Bars box.
Example: If you need 15 bars of
that specific dimension, enter 15.
Step 5:
Review the Results
As soon as all values are entered,
the calculator will automatically provide two key output sections:
Total Weight: The total weight of
the required steel in both Kilograms (Kg) and Tonnes (Ton).
Estimated Bundles: The approximate
number of Bundles you need to purchase. This number is calculated using the
established local Kgs per bundle standard for the selected bar diameter.
2. Practical
Example Calculation
Let's work through a real-world
scenario. You need 25 pieces of 16 mm rebar, where each piece is 39 feet and 4
inches long.
Input Details
|
Input |
Value |
|
Bar
Diameter |
16
mm |
|
Length
Unit |
Feet
& Inches |
|
Length
(Feet) |
39 |
|
Length
(Inches) |
4 |
|
Number
of Bars |
25 |
Calculator
Use:
Select 16 mm in the Diameter
dropdown.
Click the Feet & Inches radio
button.
In the length boxes, enter 39
(Feet) and 4 (Inches).
Enter 25 in the Number of Bars
box.
Calculated
Output
The calculator provides the
following figures:
|
Result
(Output) |
Value |
|
Total
Weight (Kg) |
374.45
kg |
|
Total
Weight (Ton) |
0.3745
Ton |
|
Estimated
Bundles |
3.92
Bundles |
Conclusion:
This result
clearly shows you need approximately 375 Kg of steel. More importantly for
purchasing, you should order roughly 4 Bundles (since you can't order 3.92).
This precise estimation helps eliminate material wastage and keeps your
construction budget accurate.

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