Density Calculator
Please provide any two values to the fields below to calculate the third value in the density equation of
ρ =  m 
V 
The density of a material, typically denoted using the Greek symbol ρ, is defined as its mass per unit volume.
ρ = 

where:
ρ is the density
m is the mass V is the volume 
The calculation of density is quite straightforward. However, it is important to pay special attention to the units used for density calculations. There are many different ways to express density, and not using or converting into the proper units will result in an incorrect value. It is useful to carefully write out whatever values are being worked with, including units, and perform dimensional analysis to ensure that the final result has units of
mass 
volume 
Below is a table of units in which density is commonly expressed, as well as the densities of some common materials.
Common Density Units
Unit  kg/m^{3} 
kilogram/cubic meter  SI Unit 
kilogram/cubic centimeter  1,000,000 
gram/cubic meter [g/m^{3}]  0.001 
gram/cubic centimeter  1000 
kilogram/liter [kg/L]  1000 
gram/liter [g/L]  1 
pound/cubic inch [lb/in^{3}]  27,680 
pound/cubic foot [lb/ft^{3}]  16.02 
pound/cubic yard [lb/yd^{3}]  0.5933 
pound/gallon (US)  119.83 
pound/gallon (UK)  99.78 
ounce/cubic inch [oz/in^{3}]  1,730 
ounce/cubic foot [oz/ft^{3}]  1.001 
ounce/gallon (US)  7.489 
ounce/gallon (UK)  6.236 
ton (short)/cubic yard  1,186.6 
ton (long)/cubic yard  1,328.9 
psi/1000 feet  2.3067 
Density of Common Materials
Material  Density in kg/m^{3} 
Earth's atmosphere at sea level  1.2 
Water at standard temperature and pressure  1,000 
The Earth  5,515.3 
Iron  7,874 
Copper  8,950 
Tungsten  19,250 
Gold  19,300 
Platinum  21,450 
Atomic nuclei  2.3×10^{17} 
Black hole  above 1×10^{18} 