🧪 Density Calculator (ρ = m/V)

Density Calculator (ρ = m / V)

Density tells you how much mass is packed into a given volume of a substance. This calculator uses the core relationship ρ = m / V, where ρ is density, m is mass and V is volume. Because the three quantities are linked, knowing any two lets you solve for the third: density from mass and volume, mass from density and volume, or volume from mass and density.

The tool is built for physics and chemistry students and anyone working with materials. It supports common units such as kilograms per cubic metre (kg/m³) and grams per cubic centimetre (g/cm³), so you can match the figures in your textbook or lab sheet without converting by hand.

How to Use It

Choose which value you want to find, enter the two you already know, and select the right units. For example, a block with a mass of 200 g and a volume of 100 cm³ has a density of 2 g/cm³. Keep your units consistent: mixing grams with cubic metres will give a misleading result. Remember that density is a property of the material, not of the object size, so a small and a large piece of the same pure metal share the same density. This makes density a handy check for identifying substances or spotting impurities.