Items
kg per bag (PH = 40, US = 42.6 / 94 lb)
added to all materials
slab≈80, beam≈120, col≈150
Notes & assumptions
- Dry-volume method: total dry materials = 1.54 × wet concrete volume.
- Cement bulk density taken as 1440 kg/m³ for bag count.
- Sand and gravel quantities are loose volumes for ordering.
- Add 5–10% waste for site losses; column rebar density typically 100–180 kg/m³.
Totals
Total Concrete Volume—
Cement (bags)—
Sand—
Gravel—
Water (approx)—
Rebar Weight—
Per-item Breakdown
| Item | Volume | Cement (bags) | Rebar |
|---|