Ρ H2O = density of water - normally at temperature 4 oC Ρ substance = density of the fluid or substance Specific Gravity (Relative Density) - SG - is a dimensionless unit defined as the ratio of the density of a substance to the density of water - at a specified temperature and can be expressed as How to measure density of liquid petroleum products.Air - Density, Specific Weight and Thermal Expantion Coefficient - variation with temperature and pressure, SI and Imperial units.Water - Density, Specific Weight and Thermal Expantion Coefficient - variation with temperature at 1, 68 and 680 atm, SI and Imperial units.Density is a physical property - constant at a given temperature and pressure - and may be helpful for identification of substances.īelow on this page: Specific gravity (relative density), Specific gravity for gases, Specific weight, Calculation examples On atomic level - particles are packed tighter inside a substance with higher density. See also Unit converter - mass and Unit converter - density Slugs can be multiplied with 32.2 for a rough value in pound-mass (lb m). Note that there is a difference between pound-force (lb f) and pound-mass (lb m). The Imperial (U.S.) units for density are slugs /ft 3 but pound-mass per cubic foot - lb m /ft 3 - is often used. What is weight and what is mass ? - the difference between weight and mass.Mass is a property and the SI unit for density is. The density of water varies somewhat with temperature and pressure, and is higher for salt water than fresh water, 1 pound per cubic foot = 16.0184634 kg / m 3 andġ kg/m 3 = 0.0624279605 pounds per cubic foot.Density is defined as mass per unit volume. Ok, if you really need it: The density of water is roughly 62.4 lb per cubic foot. Some dinosours are still asking: What is the density of water in English units? Sea water has 30000 to 40000 ppm (parts per million) = mg/L salinity. The maximum density of pure water at a pressure of one standard atmosphere is 999.972 kg/m 3 at a temperature of 3.98 ☌ (277.13 K), that is 0.999 972 kg/L.Ĭalculation of water density (density of water H 2O) Water temperature ![]() Maximum density of pure water was 1.000 kg/L. Helium has a density of 0.1785 kg/m 3 = 0.1785 g/L = 0.0001785 kg/dm 3 = 0.0001785 kg/L =įrom 1901 to 1964, a litre was defined as exactly the volume of 1 kg of water at maximum density, and the Water has a density of 1000 kg/m 3 = 1000 g/L = 1 kg/dm 3 = 1 kg/L = 1 g/cm 3 = 1 g/mL. The correct SI unit of denstity of water is " ρ = 1000 kg/m 3". Water is the reference with its highest density at 3.98☌ ( ρ = 1 g/cm 3) Many people still use g/cm 3 (gram per cubic centimeter) or kg/L (kilograms per liter) to measure density. ![]() ![]() ![]() You can also enter the density in g/cm³, the mass in g, and the volume in cm³.ĭensity conversion factors from non-SI units Unit Please enter two values, the third value will be calculated. You will see the program but the function will not work. This program converts English and American measures to metric units The used browser does not support JavaScript.
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