BUILDING & PLANNING · DENSITY CALCULATOR
Dry clean sand weighs 1,540 to 1,600 kg/m³ (15.1 to 15.7 kN/m³) by IS 875. River sand is about 1,840 kg/m³, and wet sand 1,760 to 2,000 kg/m³. Use the dry figure for mix design by volume, and the wet figure when working out truck loads of damp sand.
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| Unit weight | 15.69 kN/m³ |
| Density | 1.600 g/cm³ (t/m³) |
| Density | 99.9 lb/ft³ |
| Mass in tonnes | 1.600 t |
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From IS 875 (Part 1):1987 Table 1.
| Material | Unit weight | Density |
|---|---|---|
| Sand, dry and clean | 15.10 to 15.70 kN/m³ | 1,540 to 1,600 kg/m³ |
| Sand, river | 18.05 kN/m³ | 1,840 kg/m³ |
| Sand, wet | 17.25 to 19.60 kN/m³ | 1,760 to 2,000 kg/m³ |
To convert: kN/m³ = kg/m³ × 9.81 ÷ 1,000; lb/ft³ = kg/m³ × 0.0624.
The weight of 2.5 m³ of sand:
About 1.5 to 1.6 tonnes dry and up to 2 tonnes wet. One CFT of dry sand weighs about 45 kg.
Water fills the gaps between the grains and adds its own weight. Damp sand also bulks, taking up more volume, which is why sand is measured dry or corrected for bulking in mix design.
About 96 to 100 lb/ft³ dry (1,540 to 1,600 kg/m³) and up to about 125 lb/ft³ wet.
