MathIsimple

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.

Free online calculator Density conversion Material presets

Input data

Choose the value you want to calculate and provide the remaining two quantities.

Science & Engineering

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.

How to use this density calculator

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