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Rebar Calculator

Formula: (Diameter^2 / 162) x Length

Example

Formula: (Diameter^2 / 162) x Length
= (12 mm^2 / 162) x 50 m
= 44.44 kg

Enter diameter and length in any unit, then choose a result unit (kg or lb).

Tip: Choose your result unit on the right before calculating.

Step-by-step calculation

  1. Enter bar diameter and total length with units.
  2. Select the result unit you want (kg or lb).
  3. Calculate to see rebar weight and steps in the selected unit.

FAQ

Why divide by 162?
This is the standard rebar weight formula.
Is this for one bar?
Enter total length for all bars combined.

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