Pick what you want to solve for — Mass, Volume, or Density — then fill in the other two values with their units, and the Density Volume Converter calculates your result along with the formula used and standardized SI equivalents for mass (kg), volume (m³), and density (kg/m³).
Result
--
Formula Used
--
Mass (kg)
--
Volume (m³)
--
Density (kg/m³)
--
Density is the mass per unit volume of a substance, expressed by the formula ρ = m/V where ρ is density, m is mass, and V is volume. It tells us how much matter is packed into a given space.
Common density units include g/cm³, kg/m³, g/mL, and kg/L. Mass can be in grams, kilograms, pounds, or ounces, while volume can be in liters, milliliters, cubic meters, or cubic feet.
Use conversion factors: 1 g/cm³ = 1000 kg/m³, 1 g/mL = 1 g/cm³, and 1 kg/L = 1000 kg/m³. Always ensure your mass and volume units are compatible with your desired density unit.
Water has a density of 1 g/cm³ or 1000 kg/m³ at standard conditions. Ice is about 0.92 g/cm³, aluminum is 2.7 g/cm³, and lead is 11.3 g/cm³.
Each substance has a characteristic density. By measuring mass and volume to calculate density, you can compare the result to known values in reference tables to identify the material.
Significant figures reflect the precision of your measurements. Since density is calculated from mass and volume measurements, the result should not appear more precise than the input data.
Most materials expand when heated and contract when cooled, changing their volume and thus density. For precise calculations, temperature should be considered, especially for liquids and gases.
Yes, rearrange the density formula to V = m/ρ. This is useful for determining how much space a known mass of material will occupy.