How is SG calculated?
Calculating Specific Gravity Specific gravity is determined by dividing the density of a material by the density of water at 4 degrees Celsius. For the calculation, the density of the material and that of the water must be expressed in the same units.
How do you calculate weight from specific gravity and volume?
Multiply the density by the acceleration of gravity (9.81) to calculate the specific weight. In our example, the specific weight is 840 x 9.81 = 8,240.4. Measure or obtain elsewhere the volume of the substance. Convert the volume to the cubic meter unit.
What’s the unit weight of water?
The specific weight, also known as the unit weight, is the weight per unit volume of a material. A commonly used value is the specific weight of water on Earth at 4 °C (39 °F), which is 9.807 kilonewtons per cubic metre or 62.43 pounds-force per cubic foot.
What is the unit weight of water in KN m3?
Example 5: Specific Weight of Water The density of water is 1000 kg/m3 at 4 °C (39 °F).
What is specific gravity of fluid?
The specific gravity of a liquid is the relative weight of that liquid compared to an equal volume of water. Density v. Specific Gravity. Although the two terms often are used interchangeably, there is a technical difference between specific gravity and density.
How do you convert specific gravity to volume?
The specific volume is the reciprocal of the density of the material, which is the mass per unit volume: r = (1/v) = (m/V). The “Specific Gravity” of a substance is the ratio of its mass to that of an equal volume of water at the same temperature and pressure.
How do you convert volume to specific volume?
There are three common formulas used to calculate specific volume (ν): ν = V / m where V is volume and m is mass. ν = 1 /ρ = ρ-1 where ρ is density. ν = RT / PM = RT / P where R is the ideal gas constant, T is temperature, P is pressure, and M is the molarity.
What is the volume of water?
Calculating water volume depends on the shape of the vessel containing the water. Volume calculations for a square or rectangular vessel require you know its length, width and depth for entry into the volume equation, V=L_W_D, where L stands for length, W is the width and D represents depth.
What is the weight of 1 Litre water?
One litre of water has a mass of almost exactly one kilogram when measured at its maximal density, which occurs at about 4 °C. It follows, therefore, that 1000th of a litre, known as one millilitre (1 mL), of water has a mass of about 1 g; 1000 litres of water has a mass of about 1000 kg (1 tonne or megagram).
How do you convert kN to kg?
1 kilonewton is equal to 101.9716005 kilograms, which is the conversion factor from kilonewtons to kilograms.
How do you convert kg m3 to kN m3?
Answer is: 0.56015504005623 kilonewton per cubic meters are equivalent to 57.12 kilograms per cubic meters.