Rebar Mesh Calculator (Slab)
Quickly estimate bar counts, total length, and weight for a slab mesh (e.g., D10 @ 100 mm). Uses kg/m ≈ d²/162.
Area: 1.00 m²
Bar count per direction = ⌊Length/Spacing⌋ + 1 (min 2). Weight per meter ≈ d²/162. Results are estimates (no hooks/covers).
Bars along Length (running across width)—
Bars along Width (running across length)—
Total bars (one layer)—
Total bars (× layers)—
Total length (one layer)—
Total length (× layers)—
Unit weight (kg/m)—
Weight (no waste)—
Weight with waste/laps—
Steel intensity— kg/m²
Quick reference for 1 m² (one layer):
D10 @ 100≈ 13.6 kg/m²
D10 @ 150≈ 9.1 kg/m²
D10 @ 200≈ 6.8 kg/m²
D12 @ 150≈ 13.1 kg/m²
D12 @ 200≈ 9.8 kg/m²
D8 @ 150≈ 5.3 kg/m²
Double layer ≈ ×2 of the above values.
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