Estimate reinforcement length for a rectangular grid.
Rebar Calculator
Form
Results
Price of a single rebar
0
Total rebars length
0
# of rebar pieces
0
Total cost of rebars
0
Table of Contents
1
What is Rebar Calculator?
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How to Use This Calculator
- Enter or select Length, Width, Rebar-rebar (grid), Edge-grid, Rebar price. Complete any remaining fields required by your chosen method.
- Check the unit beside each measurement. For a percentage or rate, use the scale and time period stated in the form.
- Choose Calculate, then compare the output with the formula and example below. If you change a value or option, calculate again to update the result.
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Formula Used
Total length = bars in each direction × their respective bar lengths
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Variables Explained
| Input | What it means |
|---|---|
| Length | The measured end-to-end distance of the section being calculated. |
| Width | The crosswise measurement, perpendicular to the length. |
| Rebar-rebar (grid) | Use the measured or stated value for this item, with the unit or category shown beside the field. |
| Edge-grid | Use the measured or stated value for this item, with the unit or category shown beside the field. |
| Rebar price | The stated purchase or selling amount, in the same currency as the related costs. |
| Length of a single rebar | The measured end-to-end distance of the section being calculated. |
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Worked Example
A 2 m square with lines every 0.5 m has 5 lines each way, totaling 20 m before cover and laps.
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Why Use This Calculator?
Use the result to put measurements on a common basis before comparing them or estimating quantities. The original measurement precision still limits the precision of the answer.
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Common Mistakes
- Edge cover, lap splices and development lengths require the actual structural specification.
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Frequently Asked Questions
When should I round a measurement?
Carry the measured values and conversion factors through the calculation first. Round the final result to a precision justified by the original measurements.
Why can a supplier’s quantity differ?
Measurement conventions, nominal sizes, density assumptions and purchase rounding can change a practical quantity. Compare the units and assumptions before comparing the numbers.
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Sources & References
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