Density Calculator – Physics Made Simple

Q: 2. What is the formula for density?

The formula for density (ρ) is: ρ = m/V, where 'm' represents mass and 'V' represents volume. This means density is calculated by dividing the mass of an object by its volume.

Q: 3. What are the SI units of density?

The SI unit of density is kilograms per cubic meter (kg/m³). However, other units like grams per cubic centimeter (g/cm³) are also commonly used, especially when dealing with solids and liquids.

Q: 5. What is the density of water?

The density of water is approximately 1 g/cm³ or 1000 kg/m³. This value is often used as a reference point when comparing the densities of other substances.

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How to Calculate Density Using Mass and Volume

What is Physics Density Calculator?

A Physics Density Calculator enables you to quickly find the density of any material by simply entering its mass and volume. This saves you time from manual calculations and reduces error.

By converting all common units automatically, it helps you compare results in both g/cm³ and SI units (kg/m³). Instant results keep your physics learning smooth and confident.

Formula Behind Density Calculator

The density of an object or substance is calculated by dividing its mass by its volume: Density (ρ) = Mass (m) ÷ Volume (V). The most used units in physics are g/cm³ (for many solids/liquids) and kg/m³ (the SI unit), and the formula stays the same regardless of units—only the conversions change.

Density Calculation Table (Sample Inputs & Outputs)

Mass	Volume	Density (g/cm³)	Density (kg/m³)
100 g	50 cm³	2.00	2,000
2 kg	2 L	1.00	1,000
500 g	250 mL	2.00	2,000
7.87 kg	1,000 cm³	7.87	7,870

Steps to Use Physics Density Calculator

Enter the object's mass and select its unit (g or kg).
Enter the object's volume and select its unit (cm³, mL, L, m³).
Click "Calculate" to see the exact density in g/cm³ and kg/m³, including working steps.

Why Use Vedantu’s Density Calculator?

Vedantu’s tool instantly converts all units and shows answers in standard formats, making it ideal for rapid assignments or clarification during class or self-study.

You avoid mistakes in unit conversion and get a transparent breakdown of the calculation, while enjoying an interface built for mobile, exams, and homework support.

Applications of Density Calculator

Understanding density helps explain why some objects float or sink, how to identify substances, and how engineering or science labs analyze purity and quality of materials quickly.

Beyond academic exercises, density is vital in fields like shipping (ship buoyancy), environmental science (oil spills), gold/jewelry testing, and everyday science practicals. Explore topics like Mass vs Volume and Units of Measurement for deeper insights.

For more practice on ratios and algebra concepts used in density and measurements, check out our Percentage Calculator and Algebra Topics pages designed for students.

You can expand your skills with material conversions in real life using the Volume of Cube, Cuboid & Cylinder guide, helping you master both physics and maths!

FAQs on Density Calculator – Physics Made Simple

1. What is density in physics?

Density is a measure of how much mass is contained in a given volume. It tells us how tightly packed the matter is within an object. A higher density means more mass in the same volume, while a lower density means less mass for the same volume.

2. What is the formula for density?

The formula for density (ρ) is: ρ = m/V, where 'm' represents mass and 'V' represents volume. This means density is calculated by dividing the mass of an object by its volume.

3. What are the SI units of density?

The SI unit of density is kilograms per cubic meter (kg/m³). However, other units like grams per cubic centimeter (g/cm³) are also commonly used, especially when dealing with solids and liquids.

4. How do I calculate density with mass and volume?

To calculate density, simply divide the mass of the object by its volume. Ensure that you use consistent units for both mass and volume. For example, if mass is in grams and volume is in cubic centimeters, the density will be in grams per cubic centimeter.

5. What is the density of water?

The density of water is approximately 1 g/cm³ or 1000 kg/m³. This value is often used as a reference point when comparing the densities of other substances.

6. Is density the same as mass?

No, density and mass are different concepts. Mass is the amount of matter in an object, while density is the amount of mass per unit volume. Two objects can have the same mass but different densities if their volumes are different.

7. How can I use density to compare different materials?

Density allows us to compare how much matter is packed into a given space for different materials. For instance, a material with a higher density will feel heavier than a material with a lower density, even if both occupy the same volume. This is crucial in material science and engineering.

8. What are some real-world applications of density?

Density plays a vital role in many aspects of daily life. Here are some examples:

Buoyancy: Objects float or sink based on their density relative to the fluid they are in (e.g., ships floating on water).
Material Selection: Engineers consider density when selecting materials for construction (e.g., choosing lightweight yet strong materials for aircraft).
Separation of Mixtures: Density differences can be used to separate mixtures, like separating oil from water.

9. What is the difference between density and specific gravity?

Specific gravity is the ratio of the density of a substance to the density of a reference substance (usually water). It's a dimensionless quantity, while density has units. Specific gravity is useful for comparing densities quickly without needing units.

10. How does density relate to pressure?

Density and pressure are related, particularly in fluids. In a fluid at rest, pressure increases with depth due to the weight of the fluid above it. Since density determines the weight of the fluid per unit volume, higher density leads to faster pressure increases with depth.

11. What is the density symbol?

The most common symbol used to represent density is the Greek letter rho (ρ). However, other notations like 'd' may also be used depending on the context.