1. What is Specific Gravity?

Specific Gravity (SG) is the ratio of the density of a substance to the density of a reference substance (typically water for liquids and solids). It is a dimensionless quantity that helps determine the relative density of materials.

2. How Does the Calculator Work?

The calculator uses the weight calculation formula:

Where:

• \( SG \) — Specific Gravity (dimensionless)
• \( \rho_{water} \) — Density of water (typically 1000 kg/m³)
• \( V \) — Volume in cubic meters (m³)
• \( m \) — Mass in kilograms (kg)

Explanation: The formula calculates the mass of a substance by multiplying its specific gravity with the density of water and its volume.

3. Importance of Weight Calculation

Details: Calculating weight using specific gravity is crucial in various fields including engineering, chemistry, and material science for determining material properties, buoyancy calculations, and quality control.

4. Using the Calculator

Tips: Enter specific gravity (dimensionless), volume in cubic meters, and water density (default is 1000 kg/m³). All values must be positive numbers.

5. Frequently Asked Questions (FAQ)

Q1: What is the typical density of water?
A: The density of pure water at 4°C is 1000 kg/m³ (1 g/cm³). This value changes slightly with temperature and impurities.

Q2: Can I use different units for volume?
A: The calculator uses m³ for volume. For other units, convert to m³ first (1 liter = 0.001 m³, 1 gallon ≈ 0.00378541 m³).

Q3: What does specific gravity tell us about a material?
A: SG indicates whether a material will float (SG < 1) or sink (SG > 1) in water, and helps compare densities of different materials.

Q4: Is specific gravity temperature dependent?
A: Yes, since density changes with temperature, specific gravity values should specify the temperature at which they were measured.

Q5: How accurate is this calculation?
A: The calculation is mathematically precise, but accuracy depends on the precision of your input measurements and standard conditions.