1. What is Density?

Density is a physical property that represents the mass per unit volume of a substance. It is a fundamental concept in physics and engineering that helps characterize materials and their behavior.

2. How Does the Calculator Work?

The calculator uses the density formula:

Where:

• \( \rho \) — Density (kg/m³)
• \( m \) — Mass (kg)
• \( V \) — Volume (m³)

Explanation: The formula calculates how much mass is contained within a specific volume of a substance.

3. Importance of Density Calculation

Details: Density calculations are essential for material identification, buoyancy analysis, quality control in manufacturing, and various scientific applications including fluid mechanics and thermodynamics.

4. Using the Calculator

Tips: Enter mass in kilograms and volume in cubic meters. Both values must be positive numbers greater than zero for accurate calculation.

5. Frequently Asked Questions (FAQ)

Q1: What are common density units?
A: While kg/m³ is standard, other common units include g/cm³, lb/ft³, and specific gravity (dimensionless).

Q2: How does temperature affect density?
A: Most substances expand when heated, increasing volume and decreasing density. Water is an exception between 0-4°C.

Q3: What is the density of water?
A: Pure water at 4°C has a density of approximately 1000 kg/m³ (1 g/cm³).

Q4: Why do some objects float while others sink?
A: Objects float if their density is less than the fluid they're in, and sink if their density is greater.

Q5: How is density used in real-world applications?
A: Density is used in material science, construction, shipping, oil industry, food processing, and many other fields for identification, quality control, and process optimization.