Engineering & Construction
Rebar Cutting Length Calculator
Add the out-to-out legs of a bar and subtract a deduction for each bend. If you leave the deduction blank, the tool uses 2 × diameter, a common shop allowance for a 90° bend.
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How to use the Rebar Cutting Length Calculator
- 1Enter each leg in millimetres, separated by commas.
- 2Enter the diameter. Leave bends blank to put one bend between each pair of legs.
- 3Leave the deduction blank for 2 × diameter, or type the deduction from your schedule.
Questions
What is the deduction?
It is the length you take off for each bend so the cut bar matches the out-to-out shape. A blank field uses 2 × diameter. That is a shop allowance, not a code rule.
Can I enter a straight bar?
Yes. One leg and zero bends returns that leg as the cutting length.