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Science & Engineering

Density Calculator

Calculate density, mass, or volume using SI and imperial units. Convert between g/cm³, kg/m³, lb/ft³, and more with presets for common engineering and lab materials.

100% FreeUnit ConversionMaterial Presets
Density Calculator
Choose the value you want to calculate and provide the remaining two quantities

Enter mass of the sample. Disable editing after calculation to preserve results.

Volume can be measured directly or via geometric calculations.

Standard SI unit is kg/m³. g/cm³ equals g/mL for fluids.

Load standard densities to calculate mass/volume quickly.

Pick which variable you need. Provide the other two values, choose units, and click "Calculate now." Use presets to load reference densities instantly.

Frequently Asked Questions

Density is the mass per unit volume of a substance, expressed as ρ = m/V. It measures how tightly matter is packed together. Common units include g/cm³, kg/m³, and lb/ft³. Higher density means more mass in the same volume.
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Density Calculator – Convert Mass, Volume, and Density | MathIsimple