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rebar spacing calculator

Rebar Spacing Calculator

Estimate number of rebar runs needed across a slab, wall, or footing width. Built for quick jobsite use on a phone, tablet, or laptop.

Enter measurements

This is an estimating tool. Verify against plans, supplier specs, waste factors, and local requirements before purchasing material.

Estimated result
0
bars

How to use this calculator

  • This estimates bars in one direction only.
  • Check plans, lap requirements, cover, and local code before ordering.

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