Engineering Tools & Templates
Free Civil Engineering Resources
Free tools, standard code references, and an audit-ready Bar Bending Schedule (BBS) Excel workbook conforming to IS 2502:1963.
Free Downloadable Lead Magnet
IS 2502:1963 Bar Bending Schedule (BBS) Excel Workbook
Pre-built spreadsheet featuring automatic steel weight calculations ($D^2/162.28$), standard IS 2502 bend deductions (1d/2d/3d/4d), 135° stirrup seismic hook allowances, and 5% configurable cutting scrap reconciliation.
Live Excel Formulas (No Hardcoding)
Clause Reference Trace on Every Row
Formatted for Contractor Billing
Nominal TMT Rebar Weights (IS 1786 / IS 2502)
| Bar Diameter (D) | Formula Step ($D^2 / 162.28$) | Nominal Weight (kg/m) | Standard 12m Bar Weight |
|---|---|---|---|
| 8 mm | 8² / 162.28 | 0.3944 kg/m | 4.73 kg |
| 10 mm | 10² / 162.28 | 0.6162 kg/m | 7.39 kg |
| 12 mm | 12² / 162.28 | 0.8874 kg/m | 10.65 kg |
| 16 mm | 16² / 162.28 | 1.5775 kg/m | 18.93 kg |
| 20 mm | 20² / 162.28 | 2.4649 kg/m | 29.58 kg |
| 25 mm | 25² / 162.28 | 3.8514 kg/m | 46.22 kg |
| 32 mm | 32² / 162.28 | 6.3101 kg/m | 75.72 kg |
Interactive Concrete Volume & Material Calculator (IS 456)
Dry Volume Factor: 1.54Wet Concrete Volume3 m³
Dry Volume (Voids 54%)4.62 m³
Cement Required34 Bags (50kg)
Sand / Aggregates1.85t / 3.47t