Density Calculator
Find density, mass, or volume with unit conversions
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Density Calculator
Provide any two values to compute the third in the relation ρ = m / V. Choose units and what to solve for.
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Understanding Density
The density of a material, denoted by ρ, is its mass per unit volume.
ρ = m / V
Be careful with units when calculating density. Ensure the final units are mass divided by volume. Density varies with temperature and pressure—especially for gases. Increased pressure generally increases density, while increased temperature generally decreases density.
Common Density Units
| Unit | kg/m³ |
|---|---|
| kilogram/cubic meter | SI Unit |
| kilogram/cubic centimeter | 1,000,000 |
| gram/cubic meter [g/m³] | 0.001 |
| gram/cubic centimeter | 1000 |
| kilogram/liter [kg/L] | 1000 |
| gram/liter [g/L] | 1 |
| pound/cubic inch [lb/in³] | 27,680 |
| pound/cubic foot [lb/ft³] | 16.02 |
| pound/cubic yard [lb/yd³] | 0.5933 |
| pound/gallon (US) | 119.83 |
| pound/gallon (UK) | 99.78 |
| ounce/cubic inch [oz/in³] | 1,730 |
| ounce/cubic foot [oz/ft³] | 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 (kg/m³) |
|---|---|
| Earth's atmosphere at sea level | 1.2 |
| Water at STP | 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 |