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Density Calculator

Part of: Physics →

Calculate Density (D = M / V)

Enter mass and volume in consistent units. Result is density in those units.

Result will appear here

How to Use the Density Calculator

  1. Select the physical quantity you want to calculate.
  2. Enter all required known values with their units.
  3. Click Calculate to solve for the unknown.
  4. Review the formula and assumptions shown alongside the result.

Density Calculator – Instantly Calculate Density from Mass and Volume

Understanding density is crucial in science, engineering, and everyday life. Whether you're a student conducting a lab experiment, an engineer designing materials, or a DIY enthusiast curious about substances, a reliable Density Calculator can save time and ensure accuracy.

What Is Density?

Density is a physical property that describes how much mass is contained in a given volume.

Density (D) = Mass (M) / Volume (V)

The SI unit is kg/m³, though g/cm³ and g/mL are common in chemistry.

How to Use

  1. Enter the mass (M) in the first field.
  2. Enter the volume (V) in the second field.
  3. Click Calculate to get density.
  4. Click Copy Result to copy the output.

Rearranging for Mass or Volume

Example Calculations

Mass = 250 g, Volume = 125 cm³ → D = 250 / 125 = 2 g/cm³

Mass = 5 kg, Volume = 0.002 m³ → D = 5 / 0.002 = 2500 kg/m³

Density of Common Substances

Frequently Asked Questions

What is the density of water?

1 g/cm³ or 1000 kg/m³ at 4°C.

Can I use any units?

Yes — the result will be in whatever units you enter (e.g., kg and m³ give kg/m³).

What if volume is zero?

The calculator returns an error — dividing by zero is undefined.

What is specific gravity?

Density relative to water (1 g/cm³). Gold's specific gravity = 19.3.

Does temperature affect density?

Yes — especially for gases. Use values measured at the same temperature.

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