Specific Gravity to Density (lb/ft³) Calculator by Tons of Concrete

Density Formula:

\[ \rho = SG \times 62.4 \]

Density (lb/ft³):

Unit Converter ▲

Unit Converter ▼

From:	To:

1. What is a Specific Gravity to Density Calculator?

Definition: This calculator converts specific gravity (SG) to density in pounds per cubic foot (lb/ft³).

Purpose: It helps engineers, scientists, and construction professionals convert between these important material properties.

2. How Does the Calculator Work?

The calculator uses the formula:

\[ \rho = SG \times 62.4 \]

Where:

\( \rho \) — Density (lb/ft³)
\( SG \) — Specific Gravity (unitless)
62.4 — Density of water (lb/ft³ at standard conditions)

Explanation: Specific gravity is multiplied by the density of water to obtain the material's density.

3. Importance of Density Calculation

Details: Knowing material density is crucial for structural calculations, buoyancy assessments, and material selection in construction and engineering.

4. Using the Calculator

Tips: Simply enter the specific gravity value (must be > 0) and the calculator will provide the density in lb/ft³.

5. Frequently Asked Questions (FAQ)

Q1: What is specific gravity?
A: Specific gravity is the ratio of a material's density to the density of water at standard conditions.

Q2: Why 62.4 lb/ft³?
A: This is the density of water at 4°C (39°F) and standard atmospheric pressure.

Q3: Can I use this for any material?
A: Yes, as long as you know its specific gravity relative to water.

Q4: What's a typical specific gravity for concrete?
A: Normal weight concrete typically has a specific gravity of about 2.4.

Q5: How do I find specific gravity if I only have density?
A: Divide your material's density (in lb/ft³) by 62.4 to get specific gravity.