The typical unit mass of concrete is about 150 lb/ft^3 (pounds per cubic feet). This means that a cubic yard (1 yd x 1 yd x 1 yd) of typical concrete weighs about 4050 pounds. The typical unit mass of concrete is about 4050 lb/yd^3 (pounds per cubic yard). This means that a cubic inch (1″ x 1″ x 1″) of concrete is typically weighs about 0.0867 pounds. The typical unit mass of concrete is about 0.0867 lb/in3. Unit weight of concrete or weight density of concrete is the ratio of the weight of concrete to its per unit volume. The unit weight of typical concrete is about 4,050 pounds per cubic yard, 150 pounds per cubic foot, 2400 kilograms per cubic meter, 24 kilo-newton per cubic meter, 0.0867 pounds per cubic inch, 0.0024 kilograms per cubic centimeter, or 68 kilograms per cubic feet. Unit Weight of concrete in kg/m3, kg/ft3, kN/m3, lbs/ft3 and lbs/in3 Unit weight of concrete is defined as ratio of weight of concrete to its unit volume, weight of concrete measured in kilogram (kg) and its volume is measured in cubic metre (m3), then its unit weight = unit mass/unit volume, represented as W = m/V, where W is concrete unit weights, m for mass and V for volume, it is also known as specific weight of concrete or density of concrete and their SI unit is kilogram per cubic metre (kg/m3).Ĭoncrete unit weight generally depends on the entrapped air and water cement ratio but for estimation of different quantities and for making budget estimation before construction, we take unit weight of PCC (plain concrete cement) as 24KN per cubic meter and for RCC (reinforced cement concrete) as 25KN per cubic metre. Weight of concrete depends on density of material cement, sand ,aggregate are used, water proportion, availability of void percentage in the mix, type of mix proportion and their compaction and shrinkage. A typical wet concrete weighs slightly more than bag or dry concrete. A bag concrete weighs about 3,600 pounds per yard. Typically, one cubic yard of dry and cured concrete weighs about 4,050 pounds or approximately 2 tons.
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