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Rebar Calculator helps contractors and tradespeople accurately size, spec, and estimate materials and systems.

공식

Rebar Spacing = 12 inches typical; Quantity = (Length / Spacing) + 1 per row

단계별 가이드

  1. 1Determine grid spacing per code, calculate rows and columns
  2. 2Apply the formula using your project measurements
  3. 3Add required safety factors or waste allowances per code

풀어진 예시

입력
20 × 30 ft slab, 12-inch spacing both ways
결과
Rows: 21 × 20 ft bars + 31 × 30 ft bars = 52 bars

피해야 할 일반적인 실수

  • Not applying code-required safety factors or derating
  • Forgetting to account for waste and cut losses in material estimates

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