Column Rebar Calculator (per 1 meter)
Multi-rows. Longitudinal bars and ties/stirrups with multi-segment spacing per meter. Unit weight ≈ d²/162 (kg/m).
Column:
uw Long: —
uw Ties: —
Longitudinal Bars
Per meter of column, longitudinal length ≈ (number of bars × 1 m). Add waste/anchorage as needed.
Ties / Stirrups — Geometry & Waste
Tie Dia (mm)
Column Width b (mm)
Column Depth h (mm)
Concrete Cover (mm)
Hook length per end (mm)
Ends with hooks
Waste for Ties (%)
Tie Segments (per meter run)
Tip: Segment length is within a 1 m run (e.g., 0.2 m at 100 mm, 0.6 m at 150 mm, 0.2 m at 100 mm). Rounding mode applies to each segment.
Tie perimeter at centerline ≈ 2×[(b − 2×cover + d) + (h − 2×cover + d)] + hooks.
Grand totals include per-meter and per-meter × quantities.
Unit weight — Longitudinal—
Unit weight — Ties—
Longitudinal: bars × length per bar—
Ties per meter (sum of segments)—
Segments detail—
Length per tie—
Total tie length per m—
Weight — Longitudinal (incl. its waste)—
Weight — Ties (incl. tie waste)—
Total (no global waste)—
Total with global waste—
Row quantity—
Total × qty (no global)—
Total × qty (with global)—
— (pcs)
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