🏗️ Slab Steel Calculator | RCC Reinforcement Calculator
Calculate steel quantity, weight, and cost for one-way and two-way RCC slabs | IS 456:2000 Standard
Total Steel Weight
Steel per m²
Total Cost
Slab Area
📋 Bar Details
| Bar Type | Diameter (mm) | No. of Bars | Length (m) | Weight (kg) |
|---|---|---|---|---|
| Calculate to see results | ||||
💡 Slab Reinforcement Guidelines (IS 456:2000)
For mild steel: 0.15% of cross-section
For HYSD bars: 0.12% of cross-section
Main bars: 3d or 300mm (whichever less)
Distribution bars: 5d or 450mm
For mild exposure: 20mm
For moderate exposure: 30mm
For severe exposure: 45mm
Main bars: 8mm to 16mm
Distribution bars: 6mm to 12mm
📐 One-Way vs Two-Way Slab
Load transfers in one direction. Main reinforcement in shorter span, distribution steel in longer span.
Load transfers in both directions. Reinforcement provided in both spans with main bars in both directions.
📋 Bar Bending Schedule (BBS) Formula
No. of Bars = (Length / Spacing) + 1
Clear Span + (2 × Development Length) - (2 × 90° Bend)
Weight = (D²/162) × Length × No. of Bars
❓ Frequently Asked Questions About Slab Steel Calculation
A: Calculate number of bars = (span/spacing) + 1, then cutting length = span - cover + development length, finally weight = (D²/162) × length × number of bars.
A: As per IS 456:2000, minimum reinforcement is 0.12% of cross-sectional area for HYSD bars and 0.15% for mild steel bars.
A: Main bars spacing should not exceed 3d or 300mm, whichever is less. Distribution bars spacing should not exceed 5d or 450mm.
A: Typically 5-8 kg/m² for residential slabs and 8-12 kg/m² for commercial slabs, depending on loading conditions and slab thickness.
© 2024 Slab Steel Calculator | IS 456:2000 Standard | Free Tool for Civil Engineers & Contractors
💡 Accurate steel estimation for RCC slabs | Bar Bending Schedule (BBS) Ready
🏗️ Slab Steel Calculator | RCC Reinforcement Calculator
Calculate steel quantity, weight, and cost for one-way and two-way RCC slabs | IS 456:2000 Standard
Total Steel Weight
Steel per m²
Total Cost
Slab Area
📋 Bar Details
| Bar Type | Diameter (mm) | No. of Bars | Length (m) | Weight (kg) |
|---|---|---|---|---|
| Calculate to see results | ||||
💡 Slab Reinforcement Guidelines (IS 456:2000)
For mild steel: 0.15% of cross-section
For HYSD bars: 0.12% of cross-section
Main bars: 3d or 300mm (whichever less)
Distribution bars: 5d or 450mm
For mild exposure: 20mm
For moderate exposure: 30mm
For severe exposure: 45mm
Main bars: 8mm to 16mm
Distribution bars: 6mm to 12mm
📐 One-Way vs Two-Way Slab
Load transfers in one direction. Main reinforcement in shorter span, distribution steel in longer span.
Load transfers in both directions. Reinforcement provided in both spans with main bars in both directions.
📋 Bar Bending Schedule (BBS) Formula
No. of Bars = (Length / Spacing) + 1
Clear Span + (2 × Development Length) - (2 × 90° Bend)
Weight = (D²/162) × Length × No. of Bars
❓ Frequently Asked Questions About Slab Steel Calculation
A: Calculate number of bars = (span/spacing) + 1, then cutting length = span - cover + development length, finally weight = (D²/162) × length × number of bars.
A: As per IS 456:2000, minimum reinforcement is 0.12% of cross-sectional area for HYSD bars and 0.15% for mild steel bars.
A: Main bars spacing should not exceed 3d or 300mm, whichever is less. Distribution bars spacing should not exceed 5d or 450mm.
A: Typically 5-8 kg/m² for residential slabs and 8-12 kg/m² for commercial slabs, depending on loading conditions and slab thickness.
© 2024 Slab Steel Calculator | IS 456:2000 Standard | Free Tool for Civil Engineers & Contractors
💡 Accurate steel estimation for RCC slabs | Bar Bending Schedule (BBS) Ready