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Tool: Rebar Calculator — मुफ़्त ऑनलाइन कैलकुलेटर | HomeCalcPro | प्रिंट तिथि:
Rebar Calculator — मुफ़्त ऑनलाइन कैलकुलेटर | HomeCalcPro
Rebar Calculator के लिए सटीक और त्वरित गणनाएं व मानक सूत्र।
Project & Material Dimensions
Estimated Material & Energy Output
Rebar Grid Layout Formula
Transparent mathematical methodology explained in plain English.
Runs = (Dimension / Spacing) + 1 | Total Linear Ft = [ (Length Runs × L) + (Width Runs × W) ] × (1 + Overlap Waste [10%])Calculates cross-grid reinforcing steel bar layout with standard 12", 18", or 24" on-center spacing, edge clearances, and 10% lap splice overlap.
Variables Explained:
- Slab Length (ft): Length of concrete slab or driveway.
- Slab Width (ft): Width of concrete slab.
- Grid Spacing (Inches): Center-to-center spacing (12", 18", or 24" on center).
24 ft × 24 ft Garage Slab with 18" On-Center Rebar Grid
Calculating total linear feet and 20-foot sticks of #4 rebar.
- Runs in Each Direction: (24 / 1.5) + 1 = 17 runs.
- Linear Feet per Direction: 17 runs × 24 ft = 408 ft.
- Total Grid Footage (Both Ways): 408 + 408 = 816 ft.
- Total with 10% Lap Overlap: 816 × 1.10 = 898 Linear Feet.
- 20-Foot Sticks to Order: 898 / 20 = 45 Sticks.
- Grid Weight (#4 Rebar at 0.668 lbs/ft): 898 × 0.668 = 600 lbs.
अक्सर पूछे जाने वाले प्रश्न (FAQ): Rebar Calculator
Click any question below to expand quick answers, formulas, and expert tips.
What size rebar is standard for residential concrete slabs?
#4 rebar (1/2-inch diameter) spaced 18 inches on center is the standard for 4-inch residential driveways, garage slabs, and patios.
How much should rebar overlap at splice joints?
Building codes require rebar splices to overlap by at least 30 times the bar diameter (e.g. 15 inches of overlap for #4 1/2-inch rebar).