Ready-reckoner for material quantities in common construction activities. Includes dry volume conversion factor (1.52–1.54) for concrete, mortar consumption for masonry and plastering.
Related 📐 IS 2185 ✏️ Cement Bags Per Cum M20 📘 Concrete cover 📖 Plastering Calculation — Ce… 🔧 RCC design
Concrete — per m³ (wet volume)
Dry volume = 1.52 × wet volume. 1 bag cement = 50 kg = 0.035 m³
Work Item Cement Sand Aggregate Other M10 (1:3:6) — PCC 4.2 bags (210 kg) 0.44 m³ (680 kg) 0.88 m³ (1410 kg) M15 (1:2:4) — PCC/Lean RCC 6.3 bags (315 kg) 0.44 m³ (680 kg) 0.88 m³ (1410 kg) M20 (1:1.5:3) — RCC 8.0 bags (400 kg) 0.42 m³ (650 kg) 0.84 m³ (1340 kg) M25 (1:1:2) — RCC 10.8 bags (540 kg) 0.38 m³ (590 kg) 0.76 m³ (1220 kg)
Brickwork — per m³
Standard brick: 230×115×75mm. With 10mm mortar joints.
Work Item Cement Sand Aggregate Other Brick masonry (CM 1:6) 1.3 bags (63 kg) 0.27 m³ 500 bricks Brick masonry (CM 1:4) 1.8 bags (90 kg) 0.25 m³ 500 bricks Brick masonry (CM 1:3) 2.2 bags (110 kg) 0.23 m³ 500 bricks Half-brick wall per m² (115mm thick) 0.6 bags (30 kg) 0.02 m³ 58 bricks One-brick wall per m² (230mm thick) 1.2 bags (60 kg) 0.04 m³ 117 bricks
Plastering — per m² (single coat)
Dry volume factor = 1.33 for mortar.
Work Item Cement Sand Aggregate Other 12mm thick (CM 1:6) — interior 0.16 bags (8 kg) 0.012 m³ 12mm thick (CM 1:4) — exterior 0.22 bags (11 kg) 0.011 m³ 15mm thick (CM 1:6) — ceiling 0.20 bags (10 kg) 0.015 m³ 20mm thick (CM 1:4) — exterior 0.36 bags (18 kg) 0.018 m³ Two-coat: 12mm base + 8mm neat 0.35 bags (17 kg) 0.012 m³
Flooring — per m²
Work Item Cement Sand Aggregate Other PCC bed 75mm (1:2:4) 0.47 bags (24 kg) 0.033 m³ 0.066 m³ PCC bed 100mm (1:2:4) 0.63 bags (32 kg) 0.044 m³ 0.088 m³ Tile fixing (CM 1:4, 20mm bed) 0.30 bags (15 kg) 0.015 m³ IPS Flooring 40mm (1:2:4) 0.26 bags (13 kg) 0.018 m³ 0.035 m³
Painting — per 100 m²
Two coats unless noted otherwise.
Work Item Cement Sand Aggregate Other Wall putty (2 coats) 100–140 kg putty Cement primer (1 coat) 10–12 L primer Emulsion paint (2 coats) 12–15 L paint Enamel paint (2 coats — wood/metal) 8–10 L paint Whitewash (3 coats) 5 kg lime
Thumb Rules — For a 1000 sqft (93 m²) House
Approximate values for G+1 residential construction.
Work Item Cement Sand Aggregate Other Cement 400–450 bags 20–22.5 tonnes Steel 3.5–4.5 tonnes (3.5–4.5 kg/sqft) Sand (river/M-sand) 38–45 m³ ~2.5 truck loads Aggregate (20mm) 28–35 m³ ~2 truck loads Bricks 15,000–18,000 nos Water For construction only
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