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  1. Specific gravity | Formula, Units, & Equation | Britannica

    Dec 8, 2025 · Specific gravity, ratio of the density of a substance to that of a standard substance. Solids and liquids are often compared with water at 4 C, which has a density of 1.0 kg per liter.

  2. What Is Specific Gravity? - BYJU'S

    As discussed, specific gravity is the measure of the density of an object in comparison to the density of water at an exact temperature and pressure. Changes in the pressure and temperature affect the …

  3. What Is Specific Gravity and How Is It Measured?

    Nov 10, 2025 · Specific gravity is a simple measurement that provides a quick way to gauge how heavy a substance is compared to a standard reference material, most commonly water. It is a fundamental …

  4. Relative density - Wikipedia

    Relative density, also called specific gravity, [1][2] is a dimensionless quantity defined as the ratio of the density (mass divided by volume) of a substance to the density of a given reference material.

  5. Density, Specific Weight, and Specific Gravity – Definitions & Calculator

    Specific Gravity of gases is normally calculated with reference to air - and defined as the ratio of the density of the gas to the density of the air - at a specified temperature and pressure.

  6. Specific Gravity | Definition, Formula and its Connection to Density

    Specific gravity, also known as relative density, measures the density of a substance compared to the density of water. Specific gravity is related to density, as both are physical properties used to …

  7. Specific gravity: what it is, formula, uses and examples

    Jan 25, 2020 · What is specific gravity? Specific gravity, often abbreviated as GE or SG, is a measurement that compares the density of a substance to the density of water at a specific …

  8. Specific gravity (Comprehensive explanation) - Engineering Bro

    Oct 1, 2025 · In science and engineering, the concept of specific gravity is widely used to compare substances in a simple, dimensionless way. Instead of dealing with absolute density values (which …

  9. Specific Gravity Table Chart and Equation - Engineers Edge

    Specific gravity (S.G.) is a measure of the relative density of a substance as compared to the density of water at a standard temperature. Physicists use 39.2 F (4 C) as the standard, but engineers …

  10. Understanding Specific Gravity: Key Concept in Fluid Mechanics

    In this article, we will discuss the concept of specific gravity, the key factors affecting its value, as well as the methods for measuring specific gravity. Specific gravity is a dimensionless quantity that …